Multiple Choice Questions on The sides of a triangle are 30 cm 28 cm and 16 cm respectively In order to determine area the l........... for CDS Exam Preparation

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Multiple Choice Questions

The sides of a triangle are 30 cm 28 cm and 16 cm respectively In order to determine area the l...........

Quantitative Aptitude (CDS) Mensuration 2D
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    The sides of a triangle are 30 cm, 28 cm and 16 cm respectively . In order  to determine area , the logarithm of which of the quantities is required?

    37,11,28,16

    Incorrect Answer

    21,30,28,7

    Incorrect Answer

    37,21,11,9

    Incorrect Answer

    37,21,9,7

    Correct Answer
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    Explanation:

    Semi perimeter is  s = (a+b+c) / 2 =( 30 +16 +28) / 2 = 37
    s - a =7
    s - b = 9
    s - c =21
    s = 37

    By: Munesh Kumari
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