What is the perimeter of an equilateral triangle inscribed in a circle with a diameter of 20 cm?

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter6: Circles
Section6.2: More Angle Measures In The Circle
Problem 6E: Is it possible for a a rectangle inscribed in a circle to have a diameter for a side? Explain. b a...
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What is the perimeter of an equilateral triangle inscribed in a circle with a diameter of 20 cm?

If a regular hexagon has perimeter 12, and is circumscribed in a circle, then what is the diameter of the circle?

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