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

parallel linesnever 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?

• How many sides and how many 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?