Question

Formula of the area of an equilateral triangle with length of each side = a is
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Answer 1

The area of equilateral triangle

$➠The \: area \: of \: equilateral \: triangle \: \frac{ \sqrt{3} }{4} {a}^{2}$

Answer 2

Answer:

a+a+a.

3a

a×a×a

you can use any method given above.