Multiple Choice Questions on One of sides of a right angled triangle is thrice the other and the hypotenuse is 12 cm The area of ........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

One of sides of a right angled triangle is thrice the other and the hypotenuse is 12 cm The area of ...........

Quantitative Aptitude ( CCS) Mensuration 2D
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    One of sides of a right-angled triangle is thrice the other, and the hypotenuse is 12 cm. The area of the triangle is

    25.4 cm2

    Incorrect Answer

    25.6 cm2

    Incorrect Answer

    20.5 cm2

    Incorrect Answer

    21.6 cm2

    Correct Answer
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    Explanation:

    x2 + (3x)2 = (12)2
    10 x2= 144
    x2 = 14.4 cm2
    Area = 1/2 (x *3x)
    =3(14.4)/2
    = 21.6 cm2

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