Question

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2.13 Find the degree and radian measure of
exterior and interior angle of a regular
i) Pentagon
ii) Hexagon
iii) Septagon
iv) Octagon​

Answer 1

Answer:

Why don't you find it yourself

Answer 2

Answer:

I) Pentagon: exterior angle = 72° or 2π / 5 and interior angle = 180° or 3π / 5.

ii) Hexagon: interior angle = 60° or π / 3 and interior angle = 120° or 2π / 3

iii) Septagon: exterior angle = (360°/ 7) or 51.42° or 2π / 7 and interior angle = 900° / 7 or 128.57° or 5π / 7.

iv) Octagon: exterior angle = 45° or π / 4 and interior angle = 135° or 3π / 4.