Question 62

If the area of an equilateral triangle is $$36\sqrt3 cm^{2}$$, then the perimeter of the triangle is:

Solution

Area of an equilateral triangle = $$36\sqrt3 cm^{2}$$

$$\frac{\sqrt{3}a^2}{4}$$ = $$36\sqrt3 cm^{2}$$

a = 12 cm

Perimeter of the triangle = 3 $$\times$$ a = 3 $$\times$$ 12 = 36 cm

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