Question

the side of a tringle are in the ratio 1÷2:1÷5:1÷7 and its perimeter is 118cm , the length of the largest side is​

Answer 1

Answer:

let the length of triangle be x

perimeter= 118cm

3a=118

acc to given ratio

1/2x+1/5x+1/7x=118

0.84x=118

x=118/0.84

x=140cm

largest side of triangle is 1/2x=70cm