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 Interactive Checkpoint
 Edge:  The intersection of a pair of faces in a three-dimensional figure.

Answer the following questions about edges of a three-dimensional figure

Enter answers to parts a-c below and press tab

Graded Response
a) How many edges are on a cube?  a) 
b) How many edges are on a pyramid with a square base?  b) 
c) How many edges are on a cylinder?  c) 
d) Which three-dimensional figure has six edges?

d)