Question

find area of equilateral triangle having side 12 cm

answer this​

Answer 1

Answer:

here is your answer mate.

Answer 2

Step-by-step explanation:

Perimeter of triangle 3a = 12

a = 4cm

$area \: of \: triangle \: is \frac{ \sqrt{3} }{4} {a}^{2} \\ \frac{ \sqrt{3} }{4} {4}^{2} \\ \frac{ \sqrt{3} }{4} 16 \\ = 4 \sqrt{3} \: ans.$