Arc Length Radian

• 12π cm

• 27π cm

• 12 cm

• 27 cm

Find the arc length.

• 3π/4 ft

• 39π/4 ft

• 13π/4 ft

• 4π/13 ft

The length of an arc is 18cm and the radius of the circle is 6cm. What is the radian measure of the central angle?

• 3 radian

• 2 radian

• 4 radian

• 2π radian

A central angle measure 4.5 radians and has an arc of 35 inches. What is the radius of the circle?

• 7.78 inches

• 8.21 inches

• 157.5 inches

• 7 inches

Solve for the arc length in the circle shown.

Mathematical Equivalence

ON

The diameter of a circle is 8 centimeters. A central angle of the circle intercepts an arc of 12 centimeters. What is the radian measure of the angle?

Mathematical Equivalence

ON

Find the arc length.  Leave your answer in terms of π.

• 7/4π

• 7/2π

• 1/8π

• 45π

A circle has radius 12 inches. A central angle intercepts an arc of length 36 inches. What is the radian measure of the central angle?

• 3 radian

• 2 radian

• 6 radian

• 9 radian

What is the approximate length of the arc subtended by an angle of 4π/3 radians on a circle with a radius of 6.00 meters?

• 12.57 meters

• 14.14 meters

• 25.13 meters

• 28.27 meters

Find the arc length

• 7 cm

• 28π cm

• 7π cm

• 28 cm