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28 August, 02:58

A triangle has a base of 7 1/8 feet and height 7 1/5 ft. what is the area as a mixed number

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  1. 28 August, 03:03
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    The answer is 25 13/20 square feet.

    In order to complete this operation, it is first best to change your mixed numbers into improper fractions.

    7 1/8 = 57/8

    7 1/5 = 36/5

    Now that we have these, we can put them into the triangle formula.

    A = 1/2bh

    A = (1/2) (57/8) (36/5)

    A = 1026/40

    You can then simplify this fraction by dividing the top and bottom by a factor of 2.

    A = 513/20

    Then, because we know 20 goes into 500, 25 times, we can pull that out and be left with a remainder of 13/20.

    A = 25 13/20
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