Question

What is the area of an equilateral triangle with side 2√3 cm?
(a) √5 cm²
(b) 3√3 cm²
(c) 3 cm²
(d) 8√5 cm²​

Answer 1

HELLO !

Given,

side of an equilateral triangle is 2√3 cm.

Area of an equilateral triangle = $\dfrac{√3}{4}$×(Side)2

⇒$\dfrac{√3}{4}$×(2√3)2 = $\dfrac{√3}{4}$x 12

⇒ 3√3

Hence, the area of an equilateral triangle is 3√3  cm²