We have changed our privacy policy. In addition, we use cookies on our website for various purposes. By continuing on our website, you consent to our use of cookies. You can learn about our practices by reading our privacy policy.
© 2016 Shmoop University, Inc. All rights reserved.

Arcs Examples

Example 1

In the figure below, A and B are on ⊙O and m∠AOB = 38°. Is arc AB a major arc, a minor arc, or a semicircle?

Example 2

What is the circumference of a circle with radius 18 cm?

Example 3

What is the length of an arc with measure 78° and radius 5 m?

Example 4

What is the radius of an arc with measure 90° and length 31 cm?

Example 5

In the figure below, points A, B, and C are on ⊙O, m∠AOB = 80°, and m∠BOC = 120°. What's the measure of arc AC?