Question

if the side of an equilateral triangle is 4 cm what is its area?

Answer 1

as it is an equilateral triangle all sides are equal

area of equilateral triangle = root 3 / 4 * side 2

that is

root 3/ 4 *4 *4 =  4 root 3

therefore the area of the equilateral triangle is 4 root 3

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