c = circumference
pi = 3.14
r = radius = 9 inches
d = diameter
c=pi*d
The radius is half of the diameter, d = 2r. Then d = 2*9=18.
plug into equation. c= pi*d = 3.14*18
round accordingly and you may want to include that the measurement you end up with is in inches.
There are 15 boys what are you asking the sentence is not complete
Answer:
12^5
Step-by-step explanation:
12^5 means 12*12*12*12*12 (5 twelves)