Question

1) the sum of exterior angles of a octagon is_________


2) find the sum of interior angles of an 11 sided polygon?

Answer 1

Answer:

1)The exterior angle of octagon is 360/8 or it can be 45°.

2) all sides are the same length (congruent) and all interior angle are of same size(congruent)

Step-by-step explanation:

2) to find :

We know the sum of all angles is 1620°(from above)

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So measure of the interior angle of a regular polygon is about 147.27°

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Hope this answer will help you....

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Answer 2

1- 360°

2- 1620°

hope it works

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1- sum of exterior angle of any regular polygon is 360°

2- sum of 1ext angle of polygon=360/11

int angle of polygon= 180-(360/11)

= 1620/11

sum of int angle = (1620/11)*11

=1620°