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    Question

    A circle is inscribed in a square an equilateral

    triangle of side 10 √2 cm is inscribed in that circle the length of the diagonal of the square is. 
    A 20√2cm Correct Answer Incorrect Answer
    B 10√2cm Correct Answer Incorrect Answer
    C 24√2cm Correct Answer Incorrect Answer
    D 28√2cm Correct Answer Incorrect Answer

    Solution

    Let the side of the square be a Then the radius of circle=a/2 Given- Side of equilateral triangle = 10√2cm the radius of the circle =Side of an equilateral triangle   a/2 = 10 √2/√2 a=20 cm Diagonal of square= side √2 =20√2cm

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