1) Examining that picture, we can see the measures, and infer by the picture the following dimensions:
2) Note that the Rectangle B is half the length of rectangle B and shares the same width
So we can fill in a table below:
Rectangle Length of the short side length of the long side
A | 8 1/2 11
B 8 1/2 5 1/2
C 4 5 1/2