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Spencer P.

asked • 12/15/17

Each side of a regular septagon (7 sides) is 10cm long. What is the radius of the inscribed circle?

 I don't want it done using a formula. I want to learn how to do it using cos, tan, sin or sin(a)/A = sin(b)/B, sin(b)/B=sin(c)/C.

2 Answers By Expert Tutors


Kenneth S. answered • 12/15/17

4.8 (62)

I unveil the mysteries and secrets of trigonometry & you'll love it.

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