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OpenStudy (anonymous):
four of the angles of a pentagon have measures 40, 80, 115, 165. find the measure of the fifth angle
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OpenStudy (anonymous):
The formula for the sum of the interior angles of a convex polygon is \[(n-2)\times180\]. n=5 in the case. plug that number in and subtract the other angles from it. what you get is your answer.
OpenStudy (anonymous):
Thank you!
OpenStudy (anonymous):
You're welcome!
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