parallel lines never touch Make 90° angles (paper can fit in the corner)

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Presentation transcript:

parallel lines never touch

Make 90° angles (paper can fit in the corner)

Intersect at any angle

Use an angle checker

Smaller than a right angle

Larger than a right angle

How many sides and how many vertices?

How many sides and vertices?

How many sides and how many vertices?

May have faces (polygons) or bases (circles) Have edges, where 2 faces meet Have vertices, where 3 or more edges meet

This is a cube. How many faces? How many vertices? How many edges?

How many faces? How many vertices? How many edges? This is a rectangular prism.

How many faces? How many vertices? How many edges? This is a pentagonal prism.

How many faces? How many vertices? How many edges? This is a hexagonal prism.

This is a square pyramid. How many faces? How many vertices? How many edges?

How many faces? How many vertices? How many edges? This is a pentagonal pyramid.

How many faces? How many vertices? How many edges? This is a triangular pyramid.

How many faces? How many vertices? How many edges? This is a sphere.

How many bases? How many vertices? How many edges? This is a cone.

This is a cylinder. How many bases? How many vertices? How many edges?