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Mathematics 9 Online
OpenStudy (anonymous):

Let's say we have a square whose sides all measure 9 inches. Determine to two decimal places the dimensions of the square that has twice the area of this square.

OpenStudy (anonymous):

in inches please

Directrix (directrix):

The area of the given square is 9*9 or 81 square inches. The area of the new square is 162 square inches. s*s = area of square s^2 = 162 s = 12.73 inches.

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