Question

Question #e84ce

Answer 1

dimension is `21`x`15`

Explanation:

let rectangular Wide sides `= b`
then longer side `l=b+6`
`perimeter=36=2(l+b)=2(b+6+b)`
`2b+6=18`
`2b=18-6=12`
`b=6`

wide side `b=6m`
longer side `l=6+6=12m`
dimension is `12`x`6`