the perimeter of a rectangular cardboard is 96 cm if its breadth is 18 cm find the length and the area of cardboard
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2(l+b)=96
2(l+18)=96
2l+36=96
2l=60
l=30
area of card board =l×b
30×18
540 cm²
2(l+18)=96
2l+36=96
2l=60
l=30
area of card board =l×b
30×18
540 cm²
Answered by
4
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