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EXERCISE 12tiple Choice Type Questionse the correct answer from the given four options.The base of an isosceles right Î is 30 cm. Its area is :(a) 225 cm21.(b) 225v3 cm(c) 225V2 cm |
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Answer» Area of equilateral Δ=(√3/4)*a²=(√3/4)*30*30 cm²=225√3 cm² |
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