What is the circumference of a circle if the radius is 7 cm?

38 cm

49 cm

44 cm

None of these

The formula for the circumference of a circle is C = 2πr.

Step 1: Calculate the circumference

Given radius r = 7 cm, and π ≈ 22/7,

C = 2 * (22/7) * 7

= 2 * 22

= 44 cm