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    Question

    What is the length of diameter of a circular ground

    whose area is equal to the sum of the area of a circle of radius 8 m and a triangle of area 36 ╧Аm┬▓ ?
    A 15 m Correct Answer Incorrect Answer
    B 20 m Correct Answer Incorrect Answer
    C 10 m Correct Answer Incorrect Answer
    D More than one of the above Correct Answer Incorrect Answer
    E None of the above Correct Answer Incorrect Answer

    Solution

    ATQ, Given: Circle with radius = 8 m тЖТ Area = 64╧А Triangle area = 36╧А Total area of the circular ground = Sum of both areas Find Total Area 64╧А+36╧А=100╧А Find Radius of Circular Ground Let radius = R, ╧АR2 =100╧А Cancel ╧А: R2 =100тЗТ R=10 Diameter=2R=2├Ч10=20┬а

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