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प्रश्न
The area of an equilateral triangle is (`64xxsqrt3`) cm2. Find the length of each side of the triangle.
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उत्तर
Area of equilateral triangle = `64sqrt3` cm2
Let each side = a
Then, `sqrt3/4"a"^2=64sqrt3`
a2 =`(64sqrt3xx4)/sqrt3=256`
a = (16)2
∴ a = 16 cm
∴ Each side = 16 cm
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