Treadmill 70904

The runner circled the track 3 times. If he went around it once more, he would run 1km. What is the radius of the treadmill?

Correct answer:

r =  39.79 m

Step-by-step explanation:

(3+1) o = 1km 4o = 1000 m 4 2π r=1000  r=4 2π1000=4 2 3.14161000=39.79 m

Did you find an error or inaccuracy? Feel free to write us. Thank you!

Tips for related online calculators
Need help calculating sum, simplifying, or multiplying fractions? Try our fraction calculator.
Do you want to convert length units?

You need to know the following knowledge to solve this word math problem:

We encourage you to watch this tutorial video on this math problem: video1   video2

Related math problems and questions: