Answer:
B.120 i took the test and got it right.
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>
1, 2, 4, 5, 10
Step-by-step explanation:
= 20