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Side of triangle 3:5:7,perimeter=300,find it's area

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Side of triangle 3:5:7,perimeter=300,find it's area

    • Posted by Pratap Singh 5 years, 1 month ago

    CBSE > Class 09 > Mathematics
    • 2 answers

    Akshita ???? 5 years, 1 month ago

    Ans,x =20 and area =1500√3m square

    1Thank You

    Gaurav Seth 5 years, 1 month ago

    Let the sides of a triangular plot is 3x , 5x and 7x
    3x + 5x + 7x = 300 m
    15x = 300
    x = 300/15
    x = 20
    then the sides of triangular plot is
    3x = (3 × 20) = 60
    5x = (5 × 20) = 100
    7x = (7 × 20) =140
    now the area of triangular plot is

    area = 




     

    0Thank You

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