QUADRILATERALSFaustino, Joy Camille

Hidakan, JurnidaLucido, Abel G.

◦Is polygon that has four sides (Four-sided Polygon)

Quadrilateral

3 Kinds of Quadrilaterals

QUADRILATERALS

PARALLELOGRAM TRAPEZOID TRAPEZIUM

Is a quadrilateral in which two opposite sides are parallel

Parallelogram

PARALLELOGRAM

RECTANGLE

SQUARE

RHOMBOIDRHOMBUS

3 Kinds of Parallelogram

Rectangle

•Is a parallelogram with four right angles

BACK

Rhombus

•Is a parallelogram with four congruent sides

BACK

Square•Is a rectangle because it has four right angles and it is a rhombus because it has four congruent sides

BACK

Rhomboid

•Is a parallelogram in which two opposite sides are parallel with no adjacent sides that are congruent

BACK

Trapezoid

•Is a quadrilateral with exactly one pair of parallel sides

2 Kinds of Trapezoid

Trapezoid

Isosceles

Scalene

Scalene Trapezoid

BACK

•Is a trapezoid with no congruent sides

Isosceles Trapezoid

•Is a trapezoid with two sides (legs) that are congruent

BACK

Trapezium•Is a quadrilateral with no pair of parallel sides

KITE

EXERCISES:

PARALLELOGRAM TRAPEZOID

Identify the following pictures as parallelogram, trapezoid or trapezium and give the specific name of the given quadrilateral.

SQUARE

ISOSCELES TRAPEZOID

PARALLELOGRAMTRAPEZIUM

RHOMBOID

SCALENE TRAPEZOID

PARALLELOGRAMRECTANGLE

TRAPEZOID

Sia, Lucy O., et. al., 21st Century Mathematics: Second Year, Quezon City, Phoenix Publishing House, Inc.

Orines, F. B., Mercado, P. C. & Suzara, J. V., (2003), Geometry: Third Year High School, Quezon City, Phoenix Publishing House, Inc.

REFERENCES:

The End