find the area of a triangular plot of sides are in the ratio of 4 : 5 : 6 and it’s perimeter is 150cm​

Question

find the area of a triangular plot of sides are in the ratio of 4 : 5 : 6 and it’s perimeter is 150cm​

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Josephine 2 weeks 2021-09-10T09:38:39+00:00 1 Answer 0 views 0

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    2021-09-10T09:39:41+00:00

    Step-by-step explanation:

    4x+5x+6x = 150

    15x = 150

    x = 10

    sides are 40,50,60

    s = 150/2 = 75

    = (s(s-a)(s-b)(s-c)

    = 75(7540)(7550)(7560)

    = (75)(35)(25)(15)

    = 984375

    ∆ = 992.16

    please mark me as a brainlist

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