The radius is ___ cm.
 O A.) 3
 O B.) 7/4
 O C.) 7/2
 O D.) 7
 The circumference in terms of π is ___ π cm.
 O A.) 7
 O B.) 7/4
 O C.) 7/2
 O D.) 14
 Using 3.14 for π, the approximate circumference of the circle is ___ cm.
 O A.) 7.0
 O B.) 11.0
 O C.) 22.0
 O D.) 21.0