Question

If you double the length of the side of a square, by how much do you increase the area of that square?

Answer 1

Answer on Question #79138 - Math - Geometry

If you double the length of the side of a square, by how much do you increase the area of that square?

Solution. Let the side of the square be $a$. Then the area of the square

$A=a*a$

When we double the side, the new area equals:

$A_{new}=2a*2a=4a^{2}=4A$

Answer: by 4 times

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