Lesson: Arc Length
In this lesson, we will learn how to find the length of an arc subtended by a given central angle and how to find the central angle subtended by a given arc.
Sample Question Videos
Worksheet: 25 Questions • 5 Videos
What angle is subtended by an arc of length 20 in a circle of circumference 80?
An arc covers of a circle’s circumference and the circle has a radius of 78 cm. Find the measure and the length of the arc using as an approximation for , rounding the length to the nearest hundredth..
The length of an arc in a circle is where is the radius of the circle. Find the central angle subtending the arc in degrees giving the answer to the nearest second.