Find the area of an equilateral triangle whose sides are 12 cm.
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e 36 √(3)cm2
The area of the equilateral triangle is (√3 / 4)a2, where 'a' is the side of the triangle.
⇒ (√3 / 4)(12)2
⇒ 36√3cm2