B. 11 cm
To find the radius of a circle when given the diameter, you simply divide the diameter by 2. So, for a circle with a diameter of 22 cm, the radius would be 22 cm / 2 = 11 cm.
A circle has a diameter of 22 cm. Derive the value of the radius that you will use in the formula to find the area of the circle.
A. 3.14
B. 11 cm
C. 379.94
D. 22 cm
1 answer