1.

The angles of a 15-sided polygon are in arithmetic sequence. Which of those given below is an angle of this polygon ?(1) 128°(2) 130°(3) 132°(4) 156°Don’t answer if you don’t know

Answer»

ANSWER:

(4) 156°

explanation:

the no of side of polygon = 15, that MEANS, n= 15.

The interior angle of 15-sided polygon

= {(n-2)×180°/n}

={(15-2)×180°/15}

={13×180°/15}

=156° (ans)



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