Question

0.13 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:

Pentagon : exterior angle = 72° or 2π / 5 and interior angle= 108° or 3π / 5.

Hexagon : exterior angle = 60° or π / 3 and interior angle= 120° or 2π/ 3.

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