Question 142
In the figure below we have two squares. The largest side has $a+b$ and the smallest side $a$.
What is the area of the gray region?
A) $b$
B) $a+b$
C) $a^{2}+2 a b$
D) $b^{2}$
E) $2 a b+b^{2}$
What is the area of the gray region?
A) $b$
B) $a+b$
C) $a^{2}+2 a b$
D) $b^{2}$
E) $2 a b+b^{2}$