Find the area of an equilateral triangle with side 12 cm.

Correct option is D

Given:

Side of an equilateral triangle = 12 cm

Formula Used:

Area of equilateral triangle = $$\frac{\sqrt3 × a^2}{4}$$​​

Solution:

Area of equilateral triangle =  $$\frac{\sqrt3 × 12^2}{4}$$​​

Area of equilateral triangle = 36 √3 cm²