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Calculate the value of y in the diagram...

Calculate the value of y in the diagram

Calculate the value of y in the diagram

A.

17

B.

34

C.

44

D.

45

View answer & explanation

Correct answer is A

Sum of interior angle of the diagram equals 360^o
180^o - 5y^o + 136^o + 180^o + 180^o - 3y^o = 360^o
-8y^o + 136^o = 0
-8y^o = -136; y = 17

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