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16 August, 08:41

The height of a triangle is 18 inches. Find the length of the base if the area of the triangle is 63 square inches

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Answers (2)
  1. 16 August, 08:58
    0
    7 inches

    Step-by-step explanation:

    Area = ½ base * height

    63 = ½ * base * 18

    63 = 9 * base

    base = 7 inches
  2. 16 August, 09:04
    0
    7 inches

    Step-by-step explanation:

    The area of a triangle is found by

    A = 1/2 bh

    We know the height is 18 and the area is 63

    63 = 1/2 (b) (18)

    63 = 9b

    Divide each side by 9

    63/9 = 9b/9

    7 = b

    The base is 7 inches
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