ISEE Word Problems Question 274: Answer and Explanation

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Question: 274

8. The measures of three of the angles of a quadrilateral are shown in the diagram.

What is the measure of the fourth angle?

  • A. 105
  • B. 115
  • C. 205
  • D. 215

Correct Answer: B

Explanation:

B

There are 360 degrees in a quadrilateral. Add up the given angles and subtract the sum from 360: 360 – (140 + 80 + 25) = 360 – 245 = 115.

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