2010012902 | math4u.vsb.cz

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Level:

Project ID:

2010012902

Source Problem:

Accepted:

0

Clonable:

1

Easy:

1

Derive the formula for calculating the area of an equilateral triangle inscribed in a circle of radius

r

.

\frac{3 \sqrt{3} r^{2}}{4}

\frac{3 \sqrt{3} r}{4}

\frac{3 \sqrt{3} r^{2}}{2}

\frac{\sqrt{3} r^{2}}{4}