Step-by-step explanation:

Answer: 63/2π
Step-by-step explanation: C=πd
63=πd
D=63/π
r=1/2d
1/2×63/π=<u>63/2π</u>
Answer:
72
Step-by-step explanation:
It is less.
1/3= 0.33
1/2=0.50
Answer:
We are learning this in 7th grade lol how did you get 7th grade math to 6th grade math