Split the pie into 3 sections and shade only one of them
Answer:
C. 10 : 16
Step-by-step explanation:
Attached below
Answer:
D. pi
Step-by-step explanation:
Circumference of a circle = 
Diameter = d
Therefore, ratio of circumference of a circle to its diameter would be:

=> (d cancels d)
Therefore, the ratio of the circumference of a circle to its diameter is 
The answer I got was 12 if needed I can take a picture of how I worked it