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16 September, 14:59

A triangle has an area of 20 cm2. If its base is 40% of its height, what is its height to the nearest tenth of a centimeter?

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  1. 16 September, 18:13
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    I hope this

    height = h

    base=h40%=2h/5

    area=height * base/2

    20=h. 2h/5/2

    h^2=20.10

    h^2=2.10.10

    h=10 square root of 2
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