Question

find the area of an equilateral triangle of side 6 cm

Answer 1

$area \: of \: equilateral \: triangle = \sqrt{3 }\div 4 \: \times {a}^{2}$
So area= (3 ^ 1/3)/4 × 6 ×6
=15.6 cm approx.

Answer 2

Area : 15.6 cm (approx.)