The area of an equilateral triangle is 36\(\sqrt {3}\) cm2. The length of each sides of the triangle?
Answer & explanation
Correct answer: option 1
Area of equilateral = \(\frac{\sqrt {3}}{4}\) (side)2
⇒ 36\(\sqrt {3}\) = \(\frac{\sqrt {3}}{4}\) a2
⇒ a = \(\sqrt {36 × 4}\) = 12 cm