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प्रश्न
Find the area of an equilateral triangle whose each side is 16 cm. (Take `sqrt3`= 1.73)
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उत्तर
Side of the equilateral triangle = 16 cm
∴ Area = `sqrt3/4("a")^2`
= `sqrt3/4xx16xx16`
= 1.73 × 4 × 16 = 110.72 cm2
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