ATQ
2(5x+3x)=perimeter
2(8x)=128
16x=128
x=128/16
x=8
area=l×b
=5x×3x
=(5×8)×(3×8)
=40×24
=960
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ATQ
2(5x+3x)=perimeter
2(8x)=128
16x=128
x=128/16
x=8
area=l×b
=5x×3x
=(5×8)×(3×8)
=40×24
=960