Answer
The answer is (c)
Work Step by Step
This problem asks to compare the magnitudes of two vectors, $\overrightarrow{A}$ and $\overrightarrow{B}$, with the resultant vector, $\overrightarrow{R}$ as shown in the picture below.
Because the length of $\overrightarrow{R}$ is less than the total lengths of $\overrightarrow{A}$ and $\overrightarrow{B}$, we will chose answer (c).