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21 December, 21:54

A triangle has a base of 9 feet and a height of 12 feet. What is the area of the triangle? A. 42 ft2 B. 54 ft2 C. 84 ft2 D. 108 ft2

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  1. 21 December, 23:42
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    For a triangle: A=1/2bh

    the base times the height is 9*12, or 108.

    you then multiply that by 1/2. you could also just divide it by 2 and get the same answer.

    Then you have your answer, which is B. 54 ft²
  2. 22 December, 00:58
    0
    B.

    area of a triangle = B*H/2

    9*12/2

    9*6

    54
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Home » Mathematics » A triangle has a base of 9 feet and a height of 12 feet. What is the area of the triangle? A. 42 ft2 B. 54 ft2 C. 84 ft2 D. 108 ft2
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