ISEE Mathematics Achievement Question 216: Answer and Explanation

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Question: 216

11. Figure WXYZ is a parallelogram. Which of the following is NOT necessarily true?

  • A. Side WX is parallel to side ZY.
  • B. Side XY is parallel to side WZ.
  • C. ∠W has the same measure as ∠Y.
  • D. Side WX is the same length as side XY.

Correct Answer: D

Explanation:

D is correct. In a parallelogram, opposite sides are parallel and opposite angles are equal. However, adjacent sides are not necessarily the same length.

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