Answer:
<h2>16</h2>
Step-by-step explanation:

Answer:
Radius: 22 Circumference: 138.23
Step-by-step explanation:
The radius is half of the diameter so 44/2 is 22.
The circumference can be found by 2*pi*r or pi*d.
or 
You make them to improper fractions then you find a greatest common factor and then go from there
Answer: 113.04
Step-by-step explanation: