ISEE Quantitative Comparisons Question 91: Answer and Explanation

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Test Information

Question: 91


ABCD is a parallelogram inscribed in circle O.
Column AColumn B
a° + c°b° + d°
  • A. if the quantity in Column A is greater
  • B. if the quantity in Column B is greater
  • C. if the quantities are equal
  • D. if the relationship cannot be determined from the information given

Correct Answer: C

Explanation:

The correct answer is (C). A parallelogram inscribed in a circle is a rectangle. Therefore, all angles equal 90°.

Hence, a + c = b + d

Column A = Column B

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