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March 29, 2017

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the length of the base of a triangle is 4 times its altitude. if the area of a triangles is 162cm2 find the altitude

  • math - ,

    let altitude be x
    area = 1/2 * base * altitude
    = 1/2 * x * 4x = 162
    x^2 = 81
    x=9
    so altitude = 9cm

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