Question

How many pairs of parallel line segments are shown? 1. 8 2. 24 3. 4 4. 18

Answer 1

Answer: The correct answer is 8

Answer 2

For this case what you should see is each of the edges of the prism that are parallel.
 We then have as parallel edges:
 AC and GE
 CG and AE
 CD and GH
 AB and EF
 BD and HF
 DH and BF
 CD and EF
 GH and AB
 Answer: 
 8 pairs of parallel lines