Unit 5: Circle Arcs & Angles Review

Multiple Choice

What is  $$225\degree$$   in radians? 

• $$\frac{7\pi}{4}$$  

• $$\frac{5\pi}{4}$$  

• $$\frac{3\pi}{4}$$  

• $$\frac{5\pi}{3}$$  

Multiple Choice

What is $$\frac{2\pi}{3}$$   radians in degrees? 

• $$150\degree$$  

• $$120\degree$$  

• $$180\degree$$  

• $$30\degree$$  

Multiple Choice

Solve for the missing angle.

• 45^o
• 90^o
• 22.5^o
• 128^o

Multiple Choice

Find the measure of ARC MN. As a reminder.... a semicircle (half of a circle) will add up to 180 degrees :)

• A
• B
• C
• D

Multiple Choice

• A
• B
• C
• D

Multiple Choice

Angle Inside Circle

• A
• B
• C
• D

Multiple Choice

What is the measure of angle 2?

• 80
• 45
• 125
• 40

Multiple Choice

FIND THE ARC LENGTH OF THE BOLDED ARC

• A
• B
• C
• D

Multiple Choice

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

• 7/4π
• 7/2π
• 1/8π
• 45π

Multiple Choice

What is the area of sector​ GPH?

• 9π yd²

• 32π yd²

• 18π yd²

• 6π yd²

Multiple Choice

What is the area of the shaded sector?

• 339.12 in²
• 113.04 in²
• 339.29 in²
• None of the above