find the length of each side of triangle whose area is9√3cm
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Step-by-step explanation:
Given area of equilateral triangle = 9√3 cm²
Also,
Area of the equilateral triangle = √3/4 × (side)²
So,
√3/4 × (side)² = 9√3
side² = (9√3 × 4)/√3
side² = 36
side = √36
side = 6cm
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