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31 July, 20:21

The height of a triangle is 5 centimeters greater than the base. The area of the triangle is 375 square centimeters. Find the length of the base and the height of the triangle

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  1. 31 July, 20:59
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    Using the area formula for a triangle, you can solve for the length of the base and height. Since A = (base * height) / 2, we can rearrange to solve for the length of the base or the height. I will be solving for the length first.

    Using the formula given, you can rearrange it to find that the base equals

    B=2A/H

    Remembering that the height is 5 cm greater than the base, we can say H=B+5

    plugging that value in for H, we get that

    B=2A / (B+5). We know A equals 375, so we can also add that in

    B=2 (375) / (B+5)

    solving for B will give us a polynomial, by multiplying both sides by B+5 to get

    B^2+5B=750. We can bring it all to one side to get

    B^2+5B-750=0. solving the polynomial, we get that B equals

    (B-25) (B+30) or B=25,-30

    Since it doesn't make sense to have a negative length, we can assume it is the 25 value that equals B. Finally we can plug this value into the original triangle area formula to find that

    A = (B*H) / 2

    2A/B=H

    2 (375) / 25=H=30

    Base=25cm

    Height=30cm

    This also fits the criteria of the Height being 5 centimeters greater than tha base value
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