The number of sides of a regular polygon whose each interiarial angle of 135 is _______________. A.6. B.7. C.8. D.9.
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Answer:
options C is right
Step-by-step explanation:
180(n-2)=135n
180n-360=135n
180n-135n=360
45n=360
n=360/45
n=8
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