Question

    Find the area of a circle whose radius is (3/4)ᵗʰ of the

    side of a square whose area is 1,600 cm². (Use π = 3.14)
    A 2,826 cm² Correct Answer Incorrect Answer
    B 2,026 cm² Correct Answer Incorrect Answer
    C 2,820 cm² Correct Answer Incorrect Answer
    D None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    Area of square = side²

    ⇒ side² = 1,600

    ⇒ side = √1600 = 40 cm

    Radius of circle = (3/4) × 40 = 30 cm

    Area of circle = 3.14 × 30² = 3.14 × 900 = 2,826 cm²

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