perimeter of a triangle is 49cm.one side is 7cm longer than another side and 5cm shorter than the third side. find the sides.
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perimtr of traingle = sum of all sides
let side be =x
another is 7m longer =x+7
third side (5 m shoertr than mean third is longer 5 m)=x+12
according to que
x+x+7+x+12=49
3x+19=49
3x=49-19
x=30/3
x=10
x+7=17
x+12=22
let side be =x
another is 7m longer =x+7
third side (5 m shoertr than mean third is longer 5 m)=x+12
according to que
x+x+7+x+12=49
3x+19=49
3x=49-19
x=30/3
x=10
x+7=17
x+12=22
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5
I hope it will help you for understand.
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