Register
Find the radius of a circle with circumference 18cm
38.0k views
15 votes
Find the radius of a circle with circumference 18cm

User Chirag Solanki
by
8.2k points

1 Answer

3 votes

Answer:


r$\approx$2.9

Explanation:

The equation for circumference is:


C=2\pi r

We can plug 18 cm in for C:


18=2\pi r

Divide both sides by 2


9=\pi r

Divide both sides by
\pi


r$\approx$2.9

User Mehran Ullah
by
8.1k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m questions

12.2m answers

Other Questions

How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
Link Copied!