Solve the Problem $2 \mathrm{~m}$ ?
A) $2 \sqrt{2} \mathrm{~m}^{2}$ B) $2 \mathrm{~m}^{2}$

Multiple Choice

Solve the problem.
-What is the greatest area that a rectangle can have if the length of its diagonal is $2 \mathrm{~m}$ ?

A) $2 \sqrt{2} \mathrm{~m}^{2}$
B) $2 \mathrm{~m}^{2}$
C) $5 \mathrm{~m}^{2}$
D) $1 \mathrm{~m}^{2}$