3. Geometry and Trigonometry
Arcs And Sectors Using Radians — Quiz
Test your understanding of arcs and sectors using radians 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
A circle has radius $5$ cm. What is the arc length of a sector with central angle $2$ radians?
Question 3
A circle has radius $4$ cm and central angle $\frac{\pi}{3}$. What is the area of the sector?
Question 4
Which formula gives the area of a sector when the central angle is measured in radians?
Question 5
A sector has radius $6$ cm and area $18\pi$ cm^2. What is the central angle in radians?