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Interactive Checkpoint
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 Interactive Checkpoint
 Parallel Planes:  Two or more planes that never cross each other.

(should be ckpointID 9)

Identify a side of quadrilateral ABCD that is adjacent to CD.

Enter the answer below and then press tab

 

Graded
Response

     

Use quadrilateral ABCD to answer the following questions:

Enter the answer to part (a) in the left column, then press tab. Answer part (b) by making a selection from the menu.

 

Graded

Response

a) Identify a side that is adjacent to CD.    
b) What is the blue region called?