Where are the answer choices?
A.
Circumference = π * diameter or
π * 2*radius (diameter = 2 * radius).
So you would divide by π to get the diameter, then divide by 2 to get the radius. So A.
Answer:
4/5
Step-by-step explanation:
that is it
Answer:
x= 4+5i
Step-by-step explanation:
The first one is 21.93 rounded up to 22.