in the sides of a rectangle are 20 cm and 15 cm. If each side of the rectangle is increased by 20%, find the
percentage increase in the area.
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Step-by-step explanation:
L= 20 CM
B= 15 CM
Area= L* B= 20*15=300 CM
New length= 20+20% of 20
=20+20/100*20=24 CM
New breadth=20+20%of 15
=15+20/100*15=18 CM
New Area= 24*18 CMsquare=432 CMsquare
% of area increased=(432-300)/300*100%
=132/3=44=44%
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