Answer:
9(254.34 in. 2)
and
7ft
Step-by-step explanation:
Answer:

Step-by-step explanation:
=> 
Using the distributive property
=> 
Answer:
C
Step-by-step explanation:
The radius is 4 making the diameter 16 you need the other side since in half so that leaves you with answer C...16
Check the picture below.
make sure your calculator is in Degree mode.