Question

If the perimeter of an equilateral triangle is 120cm, then its area is Measure of [x is to a) 100√2cm² b) 200√2cm² c) 100√3cm d) 400√3cm²​

Answer 1

SIDE

$= \frac{120}{3} \\ = 40cm$

AREA

$\frac{ \sqrt{3} }{4} \times {40}^{2} \\ 400 \sqrt{3} {cm}^{2}$

HOPE IT HELPS.

MARK AS BRAINLIEST.