Question

What is the circumference of a circle with a diameter of 4.1 cm ?

use 3.14 for pi.

Answer 1

12.874cm

Explanation:

given

r=d/2=4.1cm/2=2.05cm

c=2πr

c=2×3.14×2.05cm

c=2×3.14×2.05cm

c=6.28×2.05cm

c=12.874cm