Q2 of 36 Page 113

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

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).

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