The sum of the angle measures of a quadrilateral is 360 degree. Write and solve an equation to find the value of x.

Moskis asked Feb 14, 2023

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Moskis asked Feb 14, 2023

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Answer: 115+85+60+x=360

x=100 degrees

Explanation:

115+85+60+x=360==> 115, 85, 60, and x are all 4 angles in the quadrilateral

200+60+x=360

260+x=360

260-260+x=360-260

x=360-260

x=100 degrees

Danny Buonocore answered Feb 21, 2023

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