the length of rectangle is 8 cm and breadth is 6 CM if length increase by 10% and breadth increased by 20% then percentage increase in its area
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Answer:
Percentage increase in area = 32 %
Step-by-step explanation:
Area of first rectangle=l*b=8*6=48 sq.cm
length increased by 10%= 8.8cm
Breadth increased by 20%= 7.2 cm
therefore New area of rectangle= 8.8*7.2=63.36 sq.cm
% Increase in Area ={ (63.36-48)/48} *100 = 32
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