Question

Two equal sides of a triangle are each 4 m less than three times the third side .Find the sides of the triangle,if it's perimeter is 55m.​

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dibyendu2

Dibyendu2Expert

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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Pranjal82Virtuoso

third side=x

A.T.Q

the 2 equal sides of an isoceles triangle=3x-4

THE PERIMETER OF A TRI ANGLE =SUM OF ALL OF ALL SIDES

3x-4+3x-4+x=55

7x-8=55

7x=63

x=9ans

hence;third side =9

and the other 2 equal sides r =3×9-4

=23ans

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