Find the Circumference $6 \mathrm { yd }$ A) $36 \pi \mathrm { yd }$

Multiple Choice

Find the circumference. Leave your answer in terms of pi.
-A semicircle with radius $6 \mathrm { yd }$

A) $36 \pi \mathrm { yd }$
B) $26 \pi \mathrm { yd }$
C) $6 \pi \mathrm { yd }$
D) $12 \pi \mathrm { yd }$