Two equal sides of a triangle are each 4 m less than three times the third side. find the side of the triangle, if it's perimeter is 55m.
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Step-by-step explanation:
Let 3rd side=x
1st side =2nd side =3x-4
ATQ
x+3x-4+3x-4=55
7x=55+4+4
7x=63
x=9
1st side =3×9-4=23m
2nd side =23m
3rd side =9m
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