solve this with proper method
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let width be x
so 2(x+4+×)=36×2
=2x+8+2x=72
4x=72-8
4x=64
x=64/4
x=16
so width is 16 cm
and length is 16+4=20cm
so 2(x+4+×)=36×2
=2x+8+2x=72
4x=72-8
4x=64
x=64/4
x=16
so width is 16 cm
and length is 16+4=20cm
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