The perimeter of an equilateral triangle is 60 m. The area is

Question

Philoid · Accepted Answer

Area of an equilateral triangle of side a is given by

Perimeter of triangle = 60m (given)

⇒ a + a + a = 60

⇒ 3a = 60

⇒ a = 20m

Area(Δ) =

Hence the correct option is (D).