Answer:
Hey! the breadth is 12 m and the length is 12+6=18 m
Mark me as brain?
Explanation:
let the breadth be X metre
so the length will be 6+ x metre
perimeter is equal to 60 m
2(6+x+x)=60
2 (6+2x)=60
12+4x=60
4x=60-12=48
x=48/4=12
so
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