Asked by Anonymous

An equilateral triangle is inscribed in a circle. If the radius of the circle is 10 cm, calculate the length of a side of the triangle. Answer to nearest whole centimetre
Answered by Steve
The diagram at

http://mathworld.wolfram.com/images/eps-gif/EqTriangleInscribeCirc_1001.gif

should help.
Answered by Precious
17cm
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