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. (1 point)
A) 11 cm
B) 22 cm
C) 3.14
D) 379.94
A) 11 cm
The radius of a circle is half the length of the diameter. Since the diameter is 22 cm, the radius would be 11 cm.