Subject

    Quantitative Aptitude

    Topic

    Triangle

    If sum of the two legs of a right angle triangles is 49 inches and the hypotenuse is 41 inches, the two legs of the triangle are:

    ক)
    14.35
    খ)
    40,9
    গ)
    30.9
    ঘ)
    42.7

    Explanation

    বড় অংশের দীর্ঘ =x ছোট অংশের দীর্ঘ = 49-x পিথাগোরাসের মতে , 412=(49-X)2+x2 or, x2-49x+360=0 or,x2-49x+360=0 or,x2-40x-9x+360=0 or,(x-40)(x-9)=0 or, x=40,9

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