Mathematics
Hillary17
18

The ratio of the radii of two circles is 4:9. What is the ratio of their circumferences?

+1
(2) Answers
Lesch386

4/9; ratio is still the same 20 charrrrrrrrrrrr

Fricks521

It will be 4:9 as well. Circumference = 2πr, r1 : r2 = 4:9 so this means that 2πr1 : 2πr2 = 4:9, because 2π = constant

Add answer