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22 December, 06:13

Monica has a triangular piece of fabric the height of the triangle is 15 inches and the triangles base is 6 inches Monica says that the area of the fabric is 90 inches what error did Monica make explain your answer

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Answers (2)
  1. 22 December, 08:16
    0
    A = 1/2bh

    A = 1/2 (6) (15)

    A = 3 (15)

    A = 45

    Her mistake was that she left out 1/2.

    6 * 15 = 90
  2. 22 December, 09:47
    0
    The formula is base * height : 2, 15*6=90. 90:2=45, 45 is the answer, she forgot to divide it by 2
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