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Question

If the side of a square be increased by 50%, fin the percent increase in area.

Solution
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Let the original side be a
New side=a+50100a=1.5 a
Area=a2
New area =(1.5a)2=2.25a2
% increase 2.25a2a2×100a2
= 225 %

1185830_1348953_ans_1a1e93c4c92f4467b6f746898ae4ea02.jpg

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