Understand Radian Measure

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

$$S=\frac{\theta2\pi r}{360\degree}$$  leave π in your answer.

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

$$S=\frac{\theta2\pi r}{360\degree}\ leave\ the\ \pi\ in\ the\ answer.$$  

When she is outdoors, Tasha, the dog, is tied to a stake in the center of a circular area of radius 24 feet. The angle between her dog house and her favorite hydrant is 165 degrees. What is the length of the arc from her dog house to the hydrant, following minor arc DG, to the nearest foot.

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

What is the formula for?

Find the arc length of the bolded arc in the picture. (Use 3.14 for $$\pi$$  )

In circle O, the radius is 4, and the length of minor arc AB is 4.2 feet. Find the measure of minor arc AB to the nearest degree. (Use 3.14 for $$\pi$$  )

What formula is this?

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

Find the arc length.

Find the arc length.

What is 225 degrees in radians?

Convert 150⁰ to radians.

What is 7π/4 radians in degrees?

MULTIPLY BY (180/π)

 Convert  $$\frac{\pi}{4}\ radians$$  to degrees