if the sides of the field is the ratio 3;4:5 in and its semi perimeter is 72 m. what is the area of the field?​

Question

if the sides of the field is the ratio 3;4:5 in and its semi perimeter is 72 m. what is the area of the field?​

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Ariana 9 months 2021-08-20T17:58:46+00:00 1 Answer 0 views 0

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  1. Ariana
    0
    2021-08-20T18:00:39+00:00
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    72

    Step-by-step explanation:

    (3x+4x+5x)/2 = 72 => x = 12

    (3,4,5) is a triplet of Right angle ∆ so the field will be right triangular in shape.

    area = 1/2 * 3x * 4x = 6x = 6(12)

    = 72 m^2

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