Question

The side of square increases by 20% . By what percentage does its area increase ?

Answer 1

Answer:

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Answer 2

Answer:

The area of square increases by $\frac{36}{25}$ times.

Step-by-step explanation:

SOLUTION;

Side of square increases by 20%;

= l + 20% * l

= l + $\frac{20}{100}$ * 1

= $\frac{6l}{5}$

Then;

Area;

$l^{2} \\\\\\\frac{6l}{5} ^{2} \\\\\frac{36}{25} * l^{2}$

Hence, the area of square increases by 36 / 25 times.

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