3. Geometry and Trigonometry
Arc Length And Sector Area — Quiz
Test your understanding of arc length and sector area with 5 practice questions.
Practice Questions
Question 1
What is the formula for the arc length of a sector when the radius is $r$ and the central angle is $\theta$ measured in radians?
Question 2
A sector has radius $6$ cm and central angle $\frac{\pi}{3}$ radians. What is its arc length?
Question 3
What is the formula for the area of a sector when the radius is $r$ and the central angle is $\theta$ measured in radians?
Question 4
A sector has radius $8$ m and central angle $\frac{\pi}{4}$ radians. What is its area?
Question 5
A circle has radius $5$ cm. What is the angle in radians of a sector whose arc length is $10$ cm?