Chapter 11: Volume 11.1 Notes - butlerihs.weebly.com€¦ · 11.111.2 Notes.notebook December 07,...
Transcript of Chapter 11: Volume 11.1 Notes - butlerihs.weebly.com€¦ · 11.111.2 Notes.notebook December 07,...
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11.111.2 Notes.notebook December 07, 2015
Chapter 11: Volume11.1 Notes
Polyhedron: a solid formed by polygons
Face: flat polygonal surfaces
Edge: a segment where two facesintersect
Vertex: a point of intersection of three or more edges
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11.111.2 Notes.notebook December 07, 2015
A
B CD
EF
GName 3 edges:
Name 2 vertices:
Name 1 face:
HEXAGONAL PYRAMID
Naming Polyhedrons: Polyhedrons are classified by how many faces they have.
Tetrahedron Pentahedron Hexahedron
Heptahedron Octahedron
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11.111.2 Notes.notebook December 07, 2015
Regular Polyhedron: A polyhedron made up of congruent regular polygons
Types of Polyhedrons
Prism: A polyhedron with two congruent parallel polygon bases connected by quadrilateral faces.
Base: two parallel faces in a prism
Lateral faces: Faces that are not bases
Lateral edges: where the lateral faces meet
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11.111.2 Notes.notebook December 07, 2015
A B
CD
E
F
G H
IJName the polyhedron: heptahedron
Name the prism: pentagonal prism
Name a base:
Name 2 edges:
Name a lateral face:
Ways to classify prisms:Edges in an oblique prism are not perpendicular to the base
Altitude of a prism: the perpendicular segment from one base to the plane containing the other base. The length of the altitude is called the height of the prism.
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11.111.2 Notes.notebook December 07, 2015
Pyramid: a polyhedron with one polygon base and triangular lateral faces that meet at a point
The altitude of a pyramid is IN the pyramid. Slant height is the
altitude of the triangles ON THE SIDE of the pyramid.
Altitude of a pyramid: the perpendicular segment from the vertex to the base
Slant height of a pyramid: the length of each triangular face
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11.111.2 Notes.notebook December 07, 2015
11.2 NotesSphere: the set of all points in a space at a given distance from a given point
center
radius
Hemisphere: half of a sphere
The Great Circle: the face of a hemisphere
Cylinder
Axis: the segment connecting the centers of the circles.
Altitude: A perpendicular segment from one base to the plane containing the other.
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11.111.2 Notes.notebook December 07, 2015
Right cylinder: when the Oblique cylinder: when axis is perpendicular to the axis is notthe bases. perpendicular to the
bases.
Cone
Right cone- when a there is a perpendicular line from the vertex to the center of the base.
Oblique cone- Cones that are not right.
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11.111.2 Notes.notebook December 07, 2015
Homework:
Review Packet
Quiz tomorrow on Chapter 10!