1.

The percentage increase in the area of a rectangle, if each of its sides is increased by 20% is​

Answer»

ong>ANSWER:

initial LENGTH bel

initial breadth be b

initial AREA = l×b

after increasing

New length= l+20%of l

l+ l/5= 61/5

breadth = b+20% of b

= b+b/3=6b/5

area = 361 b/25

% change in area = 361b /25 - lb/ lb × 100

=11 /25 × 100 =44%



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