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10 November, 20:06

The area of a right angled triangle is 600cm^. if base of the base of the exceeds the altitude by 10, find the dimensions of the triangle

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  1. 10 November, 21:21
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    b = > base = > 40 cm

    h = > altitude = > 30 cm

    A = h*b/2

    h=b-10

    600 = (b-10) b/2

    600 = (b^2-10b) / 2

    1200=b^2-10b

    b^2-10b-1200=0

    (b-40) (b+30) = 0

    b=40 cm

    h=b-10 = 40-10=30
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