Arc Length and Central Angles Quiz

• 15.28 cm

• 48.15 cm

• 36.50 cm

• 16.20 cm

A circle has a radius of 10 cm. What is the central angle in radians if the arc length is 15 cm?

• 1.5 radians

• 0.5 radians

• 2 radians

• 1.2 radians

Find the arc length of a circle with a radius of 7 cm and a central angle of 2 radians.

• 14 cm

• 7 cm

• 21 cm

• 28 cm

If the radius of a circle is 8 cm and the arc length is 16 cm, what is the measure of the central angle in radians?

• 2 radians

• 1.5 radians

• 3 radians

• 4 radians

If the arc length is 9 cm and the radius is 3 cm, what is the central angle in radians?

• 3 radians

• 2 radians

• 1.5 radians

• 4 radians

Find the radius of a circle if the arc length is 18 cm and the central angle is 3 radians.

• 6 cm

• 9 cm

• 12 cm

• 15 cm