Answer:
7/21=1/3
5/20=1/4
18/36=1/2
1. 1/3
2. 1/4
3. 1/2
Here's the right way:
Here's the way they want you to do it:
138.23
Step-by-step explanation:
2πrh+2πr^2=2·π·2·9+2·π·2^2
it would be answer a
that's all i have
C
π