Question

.If the sides of a triangle are in the ratio 3: 4: 5 and its
perimeter 252 cm find its sides.

Answer 1

Answer
1st side : 3x
2nd side : 4x
3rd side : 5x

Perimeter of the triangle= 1st side+2nd side+3rd side

=3x+4x+5x=252
=12x=252
=x=252/12
=21

1st side=3x=3(21)=63
2nd side=4x=4(21)=84
3rd side=5x=5(21)=105

TIP: Whenever u see ratio numbers with such problems add x with the ratio number



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