Answers

2014-04-30T11:05:23+05:30
Let the edge be 100.
Increased edge = 150

Original surface area= 60000unit²
New surface area = 135000unit²

Increase in area =65000unit²
% increase in area = 65000×100÷60000
                             = 108.33%
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2014-04-30T14:47:02+05:30
The answer is 108.33% if you imagine edge as 100
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