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    Question

    The area of rhombus is 100 c m 2 . The length

    of one of its diagonals is 20 cm. The length of the other diagonal is:
    A 10 cm Correct Answer Incorrect Answer
    B 22 cm Correct Answer Incorrect Answer
    C 30 cm Correct Answer Incorrect Answer
    D 25 cm Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Area of rhombus = `(1)/(2)`  x d₁ x  d₂ 100 =   x 20 x  d₂ d₂ = 10 cm

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