find the area of the largest equilateral triangle that can be inscribed in a circle whose diameter is 20 cm.

PLEASE CAN YOU ANSWER NOW!

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- May 26th 2009, 10:32 PM #1

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- May 26th 2009, 10:47 PM #2

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- May 27th 2009, 04:57 AM #3

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Hello, queennie!

The Captain used 20 as the radius.

Find the area of the largest equilateral triangle that can be inscribed

in a circle whose diameter is 20 cm.

PLEASE CAN YOU ANSWER NOW!

Yes . . . $\displaystyle 75\sqrt{3} \:\approx\:129.9\text{ cm}^2$

Any idea about WHY?