8. If we increase the length and breadth of a rectand the time, how
perimeter of the rectangle change?
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5
two time
if length and breadth are increased twice
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0
Explanation:
Let original length be i and original breadth be B
1st case
original perimeter
=2 multiple ( l + b )
2nd case
New perimeter
=2 multiple (3l + 3b)
=3 × 2 × (l+b)
=6(l+b)
hence the perimeter will increase three times itself
Hope it helps you
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