the side of a rectangle are 20 cm and 50 cm if each side of rectangle is increased by 20% find the percentage increase in the area.
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Answered by
2
Answer:
area = ( l into b )
= 20 into 50
= 1000
increase by 20
= 20 + 1000
= 1020
Answered by
1
length=20cm
breadth=50cm
aera=20×50
=1000cm cube
new length= 20+(20/100×20)
=20+(4)
=24cm
new breadth=50+(20/100×50)
=60cm
area=24×60
=1440cm cube
% area=1440-1000×100/1000
=44%
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