Find the Length of an Arc

The diameter of a circle is 50 centimeters. If the arc length is 22 centimeters, what is the angle measure? Round to the nearest tenth.

The radius of a circle is 24 miles. What is the angle measure of an arc 53.4 miles long? Round to the nearest tenth.

The distance along an arc measured in linear units.

• area of a sector

• arc length

• arc of a circle

• sector of a circle

is the formula for?

• arc length

• area of a sector

• area of a segment

• arc measure

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

• 7/4π

• 7/2π

• 1/8π

• 45π

An ____ is an unbroken part of a circle consisting of two points called the endpoints and all the points on the circle between them. 

• adjacent

• arc

• algorithm

• area

• 12π cm

• 27π cm

• 12 cm

• 27 cm