3. Geometry and Trigonometry
Radian Measure — Quiz
Test your understanding of radian measure with 5 practice questions.
Practice Questions
Question 1
What is the radian measure of a central angle that subtends an arc with length equal to the radius of the circle?
Question 2
Which formula gives the arc length $s$ of a sector when the angle is measured in radians?
Question 3
A circle has radius $5$ cm and a central angle of $2$ radians. What is the arc length?
Question 4
How many radians are in one full turn around a circle?
Question 5
What is the approximate radian measure of a right angle?