A. 13 cm
Explanation:
here the total diameter is given 4 cm,
here the radius then will be 2 cm.
use the formula of circumference of circle = 2ฯr where r is the radius
using the formula: 2 * ฯ * 2 = 4ฯ = 12.57 = 13 cm.
What is happening in this z.o.o.m
Explanation: