answersLogoWhite

0

The circumference C of a circle with radius R is

C = 2*pi*R

pi = 3.1416...

R = 18

Using a calculator:

C = 113 inches

This is the length of track of an HO model train laid out with eight curved sections to form a circle of radius 18 inches, such as around a Christmas tree.

User Avatar

Wiki User

11y ago

Still curious? Ask our experts.

Chat with our AI personalities

JordanJordan
Looking for a career mentor? I've seen my fair share of shake-ups.
Chat with Jordan
ProfessorProfessor
I will give you the most educated answer.
Chat with Professor
ViviVivi
Your ride-or-die bestie who's seen you through every high and low.
Chat with Vivi

Add your answer:

Earn +20 pts
Q: What is the circumference of a circle with radius of 18?
Write your answer...
Submit
Still have questions?
magnify glass
imp