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16 June, 01:01

A triangular sail has a perimeter of 25 m. Side a is 2 m shorter than twice side b, and side c is 3 m longer than side b. Find the length of each side.

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  1. 16 June, 01:32
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    We know that perimeter of the triangle its a+b+c=25

    a=2b-2

    b=b

    c=b+3

    Now we can substitute it into our formula

    2b-2+b+b+3=25

    4b+1=25 / - 1

    4b=24 / : 4

    b=6 - its b side

    a=2*6-2

    a=12-2=10 - its a side

    c=6+3=9 - its c side
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