3 years ago

Find the measure of z A. 108 B. 120 C. 135 D. 144

1 answer:

8 0

Sum of all interior angles = ( n - 2) x 180

Since Octagon = 8 sides,

Sum of all interior angles = ( 8 - 2) x 180 = 1080

z = 1080 ÷ 8 = 135°

Answer: z = 135°

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