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Question

The length of each side of an equilateral triangle of area 43 cm2, is

(a) 4 cm

(b) 43 cm

(c) 34 cm

(d) 3 cm

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Solution

Area of an equilateral triangle say A, having each side a cm is given by

We are asked to find the side of the triangle

Therefore, the side of the equilateral triangle says a, having area is given by

Therefore, the correct answer is (a).


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