Answer:
For Circle A, the radius is 4.5 and its circumference is 28.26
For Circle B, the diameter is 10 and its circumference is 31.4
Step-by-step explanation:
The formula for circumference is C=2πr
Equation:
Circle A: Radius - 9/2 = 4.5
Circumference - 2 x 3.14 x 4.5
Circle B: Diameter - 5 x 2 = 10
Circumference - 2 x 3.14 x 5
