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20 December, 13:38

Find the area of the triangle 9yd 3yd 8 yd

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  1. 20 December, 15:12
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    Step-by-step explanation:

    You can use Heron's formula for this question.

    Heron's Formula: Area of Triangle = root s (s-a) (s-b) (s-c)

    Where s = perimeter/2 and a, b, and c are the side lengths.

    So solving ...

    s = perimeter/2

    = (9yd + 3yd + 8yd) / 2

    = 20yd/2

    = 10yd

    A = root 10yd (10yd-9yd) (10yd-3yd) (10yd-8yd)

    = root 10yd (1yd) (7yd) (2yd)

    = root 140yd

    = 2 root 35
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