Question

What is the circumference of this circle?

r= 2 km
A 15.25 km
B 10.14 km
C 18.16 km
D 12.56 km​

Answer 1

D 12.56 km

Explanation:

Rule : the circumference of a circle = 2 × π × radius

the circumference = 2×π×2 = 12,566370614359

then an approximative value of the circumference is : 12.56