Question

find the area of an equilateral triangle whose side is 2 cm

Answer 1

Area of equilateral triangle=√3xa^2/4
= √3 x(2)^2/4
=√3 x 4/4
=√3
Answer =√3

Answer 2

$\huge{\underline{\underline{\red{\mathfrak{AnSwEr :}}}}}$

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➠ Given :

Side of an equilateral triangle is 2 cm.

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➠ To Find :

We have to find the area of the equilateral triangle.

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➠ Solution :

We know the formula to find the area of the equilateral triangle.

$\Large{\boxed{\boxed{\sf{Area = \frac{\sqrt{3}}{4} \times (Side)^2}}}}$

$\sf{\implies Area = \frac{\sqrt{3}}{4} \times (2)^2} \\ \\ \sf{\implies Area = \frac{\sqrt{3}}{\cancel{4}} \times \cancel{4}} \\ \\ \sf{\implies Area = \sqrt{3}} \\ \\ \sf{\therefore \: Area \: of \: equilateral \: triangle \: is \: \sqrt{3} \: cm^2}$