right ans mark as brainliest plz solve this problem
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Let x is length and y is breadth
Then original area= x*y
Increase in length =50/100*x
=1/2*x
New length =x+1/2x=3/2*x
Decrease in breadth =50/100*y=1/2*y
New breadth =y-1/2*y=1/2*y
New area=3/2*x*1/2*y=3/4*x*y
Change in area=x*y-3/4*x*y=xy/4
%change in area=change in area/original area*100
=25%
Then original area= x*y
Increase in length =50/100*x
=1/2*x
New length =x+1/2x=3/2*x
Decrease in breadth =50/100*y=1/2*y
New breadth =y-1/2*y=1/2*y
New area=3/2*x*1/2*y=3/4*x*y
Change in area=x*y-3/4*x*y=xy/4
%change in area=change in area/original area*100
=25%
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