Answer:
1. 9 pi, 2. 121 pi
Step-by-step explanation:
The formula for circumference is pi d. So for the first question the radius would be three. The you do pi r ^2 for area so 3 times pi squared. Which is 9 pi. For the second you will do the same thing you will do 22 pi divided by 2 which is 11 pi then you will square 11pi and get 121 pi
Answer:
15/4
Step-by-step explanation:
3/4:1/5= 3/4*5= 15/4
Answer: 138
Step-by-step explanation:
(65*2)=130
(4*2)=8
130+8=138