Question

The sides of a triangular plot are in the ration3:5:7 and its perimeter is 300m.Find its area

Answer 1

let no be x
3x+4x+5x = 300
12x = 300
x = 300/12
x = 25 ans.
at place of x=25
3*25=75
4*25=100
5*25=125
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