Answer:
a. d= 44
b. c= 138.23 in
Step-by-step explanation:
diameter is twice of radius so 22*2 = 44
a. 44 inches
b. 44pi
a. the radius is half the diameter
b. the equation for the circumference is C = pi*D, and since D is 44, the circumference, in terms of pi,would be 44pi
