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19 March, 16:09

A quadrilateral has angles that measure 125°, 115°, and 65°.

What is the measure of the fourth angle?

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Answers (2)
  1. 19 March, 17:33
    0
    The answer is 11 degrees
  2. 19 March, 18:02
    0
    Hello! A quadrilateral has 4 angles that equal 360 degrees. You already have three that equal 125 degrees, 115 degrees, and 65 degrees. Those three angles when added up have a sum of 305 degrees. Then, you subtract that number from 360 to find your fourth angle. 360 - 305 = 55. The measurement of the fourth angles is 55 degrees.
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