Take a regular hexagon Fig 3.10.

Q4. Repeat this activity for the cases of

    (i) a regular octagon

 

Answers (1)

(i) a regular octagon: It has all 8 angles equal and sum of all eight angles is 1080.Interior angles are equal so exterior angles are also equal.

Let interior angle be A.

8\ast A= 1080\degree

A= 135\degree.

All exterior angles be B.

B=180\degree - 135\degree

B=45\degree

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