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    Question

    The diagonal of the square is 10 √ 2 cm. Find the diagonal of another square whose area is triple that of the first square.

    A 10√ 3cm Correct Answer Incorrect Answer
    B 15√ 6cm Correct Answer Incorrect Answer
    C 12√ 2cm Correct Answer Incorrect Answer
    D 10√ 6cm Correct Answer Incorrect Answer

    Solution

    Side(a) =Diagonal /√  2 =10 √ 2 /√  2=10cm ATQ- a2 =3×10×10 a=10√ 3 Now- Diagonal =a√ 2 =10√ 3×√ 2 =10√  6 cm.

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