Angle Measures

Find the arc length

• 7 cm

• 28π cm

• 7π cm

• 28 cm

Find the length of the arc

• 31.42cm

• 15.71cm

• 282.74cm

• 23.56cm

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

Find the length of the arc. (Note that the angle measure is in radians).

Find the length of the arc. (Note that the angle measure is in radians).