I believe this would be correct.
Check the picture below.
make sure your calculator is in Degree mode.
Answer:
A=50.24
Step-by-step explanation:
Your diameter is 8, which makes the radius 4.
The area of a circle is

A=50.24
Answer:
6 and 12 have the greatest common factor of 2
Answer:
Step-by-step explanation:
so first you look it up and if that dont work then u guess