Solve the Problem, If Possible $81 \mathrm{~cm}^{2}$ If the Same Amount Is Added to One Dimension

Multiple Choice

Solve the problem, if possible. Round your answer to the nearest tenth, when appropriate.
-The area of a square is $81 \mathrm{~cm}^{2}$ . If the same amount is added to one dimension and removed from the other, the resulting rectangle has an area $9 \mathrm{~cm}^{2}$ less than the area of the square. How much is added and subtracted?

A) $4 \mathrm{~cm}$
B) $9 \mathrm{~cm}$
C) $3 \mathrm{~cm}$
D) Cannot be determined without additional information