Question

If radius of circle is 2x find its circumference​

Answer 1

Answer:

C = 2πr

Since your r = 2 π

Your circumstances is 2π× 2π

Which is 4 π^2

Answer 2

Answer:

Well the circumference of a circle is equal to 2pi * the radius

C=2pi * r and if you no the radius then C= 2pi * 2pi= 4 pi sq