Problema Solution

The sum of the measure of a quadilateral is 360 degrees. Write and solve an equation to the missing measure if two sides have 115 degrees and the third one has 65 degrees

Answer provided by our tutors

Let 'x' represent the unknown angle. 

Since the sum of the angles in a quadrilateral is 360 degrees we can write: 

x + 2*115 + 65 = 360

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Click here to see the step by step solution for x

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x = 65 degrees

The measure of the forth angle is 65 degrees.