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17 September, 06:30

The base of a triangle is 2 more than twice the height of the triangle. Find the measure of the base and the height if the area is 20 ft^2 (the height is 4 and the base is 10, show a process so I can see how you got there

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  1. 17 September, 08:14
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    B = 2 + 2H

    A = 20 ft^2

    H = H

    Since the Area of a Triangle is Base * Height then the formula should be:

    A = BH

    20 = H (2+2H)

    20 = 2H^2 + 2H

    0 = 2H^2 + 2H - 20

    Find the zeros of the quadratic equation through substituting the values of a, b, and c. You will get the zeros of x = 2.7 and - 3.7. The only thing that would make sense is you use the x=2.7 because there are no negative heights.

    Since b = 2h+2

    b = 2 (2.7) + 2

    b = 5.4 + 2

    b=7.4

    I don't know where you got 4 and 10, but what I got is different.
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