GeometryDictionaryBy Safa Shuja
AAcute Angle An angle less than 90
CChord A line segment with endpoints on a circle
-CCircle - A closed figure with all points are the same distance from the center
-CCircumference - The outside of a Circle
Cone - A solid figure that has a circle as a base, and has 1 vertex
Congruent - 2 shapes that have the same size and are the same shape
Cube - A 3D square with 6 faces 8 vertices and 3 squares meet at each vertex
Cylinder A solid figure with 2 parallel, circular and congruent bases
DDecagon - A plane figure with ten straight sides and angles
Diameter A line segment that passes through the center of a circle.
EEquilateral Triangle A triangle with 3 congruent sides and angles
HHeptagon - A plane figure with seven straight sides and angles.
Hexagon - A plane figure with six straight sides and angles.
IIntersecting Lines 2 lines that cross
Isosceles Triangle A triangle with 2 congruent sides
LLine - An endless straight path, named by two points
S.ALine Segment- A part of a line named by two end points
A.F
NNonagon - A plane figure with nine straight sides and nine angles
OObtuse Angle - An angle more than 90 and less than 180
Octagon A plane figure with 8 sides and angles
PParallel Lines 2 lines that stay opposite each other forever
D.E
A.F
Parallelogram - A quadrilateral with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel.
Pentagon A plane figure with 5 sides and angles
A four-sided plane rectilinear figure with opposite sides parallel.A four-sided plane rectilinear figure with opposite sides parallel.
A four-sidedplane rectilinear figure with opposite sides parallel. four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel. A four-sidedplane rectilinear figure with opposite sides parallel. four-sided plane rectilinear figure with opposite sides parallel.
Perpendicular Lines Crossing lines that make 4 right anglesA four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel.
S.A
A.F
A four-sided plane rectilinear figure with opposite sides parallel.
Point An exact location, you name it with a letter, Ex. AAA four-sidedplane rectilinear figure with opposite sides parallel. four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel.
Polygon A plane figure with 3 or more sidesA four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel. A four-sided Quadrilateralplane rectilinear figure with opposite sides parallel. Any shape with 4 sides A four-sided plane rectilinear figure with opposite sides parallel.
Q
A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel.
R
Radius Half of a Diameter
A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel.
Ray - A line with one endpoint and the other end is endlessA four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel.
Rectangle - A plane figure with four straight sides, four right angles, and 2 pairs ofA four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel.
congruent sides
A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel.
Rectangular Prism - A prism made out of 6 rectangles, it has 8 vertices and 12 edges.A four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel.
Rectangular Pyramid - It has 4 faces; the base is a rectangle and has 5 vertices.A four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel.
Reflection plane rectilinear figure withaopposite by flipping it over a line, like a mirror. A four-sided It is the movement of figure sides parallel.A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel.
Reflex Angle - An angle that is 180 - 300
A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel.
Rhombus A quadrilateral that is like a square but is stretched out, all sides are congruent.A four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel.
Right Angle An angle that is exactly 90 A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel.
Right Triangle A triangle that has a right angle
A four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel.
Rotation A figure turningA four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel.
S
Scalene Triangle A triangle with no congruent sidesA four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel.A four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel.
Semi Circle - Half of a circle
A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel.A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel.
Similar 2 shapes that are the same but have different sizesA four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel.
Sphere - A solid figure with no vertices or edges, all the points on the surface are the samedistance apart from each otherA four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel.
Square A quadrilateral that has 4 sides, 4 congruent sides and 4 right angles.
A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel.A four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel.
Square Pyramid - A solid figure with 5 faces, 5 vertices and 8 edges, the base is a squareA four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel. AA four-sided plane rectilinear figure with opposite sides parallel. four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel.
Straight Angle An angle that is 180
A four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane you split a figure opposite sides parallel. Symmetry Whenrectilinear figure with in half and both sides look exactly the same A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel.
TTessellation - A repeating pattern of closed figuresA four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel. AA four-sided plane rectilinear figure with opposite sides parallel. four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel.
Translation A movement of a figure
A four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel.
Trapezoid A quadrilateral that has 4 sides and 1 pairs of parallel sides.A four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel.A four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel.
Triangular Prism A solid figure that has 5 faces, 12 edges and 6 verticesA four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel.A four-sided plane rectilinear figure with opposite sides parallel.
Triangular Pyramid It has 4 faces, 4 vertices and 6 edges. All of the faces are trianglesA four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel.
V
Vertex - The place where 2 or more rays meetA four-sided plane rectilinear figure with opposite sides parallel. A four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel.
A four-sided plane rectilinear figure with opposite sides parallel.
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