In a Right Triangle, Find the Length of the Side $b=6 \mathrm{yd}, \mathrm{c}=12 \mathrm{yd}$

Multiple Choice

In a right triangle, find the length of the side not given. Let c represent the length of the hypotenuse. Give an answer to the nearest tenth if necessary.
- $b=6 \mathrm{yd}, \mathrm{c}=12 \mathrm{yd}$

A) $a=6 y d$
B) $\mathrm{a} \approx 8.5 \mathrm{yd}$
C) $\mathrm{a} \approx 10.4 \mathrm{yd}$
D) $\mathrm{a} \approx 4.2 \mathrm{yd}$