Question

What will be the length of side of an equilateral triangle whose area is 9 under root 3 cm square

Answer 1

$area = \frac{ \sqrt{3} }{2} a \\ 9 \sqrt{3} = \frac{ \sqrt{3} }{2} a \\ \frac{9 \sqrt{3 } \times 2}{ \sqrt{3} } = a \\ 18 = a$

Length of each side is 18 cm..

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Answer 2

Answer:

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