9. If the area of an equilateral triangle is 36/3 cm, find the length of its side and its perimeter.
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3a = 3 \times 12 = 36$ cm. So the perimeter of the equilateral triangle is 36 cm. So this is the required answer.
Answered by
21
3a = 3 \times 12 = 36$ cm. So the perimeter of the equilateral triangle is 36 cm. So this is the required answer.
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