Question

The ratio of the radius of two circles is 4 9. What is the ratio of their circumferences

Answer 1

Answer:

Step-by-step explanation:

r₁ : r₂ = 4 : 9

c(r₁) : c(r₂)

= 2 pi r₁ : 2 pi r₂

= r₁ : r₂

= 4 : 9