Multiple Choice Questions on The base of an isosceles triangle is 40cm and its area is 160cm2 The length of one of its equal side........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

The base of an isosceles triangle is 40cm and its area is 160cm2 The length of one of its equal side...........

Quantitative Aptitude ( CCS) Mensuration 2D
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    The base of an isosceles triangle is 40cm and its area is 160cm2. The length of one of its equal side is ?

    22cm

    Correct Answer

    20cm

    Incorrect Answer

    40cm

    Incorrect Answer

    35cm

    Incorrect Answer
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    Explanation:

    Answer – 22cm
    Explanation :
    Area = [h*(40/2)]/2
    160/2 = h*10
    80 = h*10
    h = 80/10 = 8cm
    x = √82+202 = √(64+400)
    x = 21.5 = 22cm

    By: MIRZA SADDAM HUSSAIN
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