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26 December, 17:59

What is the area of a 7 and 9 side length triangle

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Answers (2)
  1. 26 December, 18:08
    0
    The aria of your triangle is (7*9) / 2 = 31.5;
  2. 26 December, 18:27
    0
    The formula is A = 1/2bh

    So, plug in

    A = 1/2 7 (9)

    A = 1/2 (63)

    A = 31.5
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