ISEE Word Problems Question 206: Answer and Explanation

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Question: 206

4. The grid shows three vertices of a trapezoid.

Which of the following could be the fourth vertex of the trapezoid?

  • A. ( –1, –3)
  • B. (0, –3)
  • C. (0, –2)
  • D. (1, –2)

Correct Answer: A

Explanation:

The answer is A

A trapezoid has parallel bases. Draw in the trapezoid to see where the fourth vertex must be placed. The fourth vertex must be located at a y value of -3.

Test the answers by notating each point on the grid. Only choice (A) creates a trapezoid, which must have two parallel bases.

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