Reference Angles and Radian Measure

What is the reference angle for 275 degrees?

• 85 degrees
• 95 degrees
• -85 degrees
• -95 degrees

Tags

CCSS.HSF.TF.A.3

What is the reference angle for 30 degrees?

• 70 degrees
• 30 degrees
• 150 degrees
• 330 degrees

What is the reference angle for 125 degrees?

• 235 degrees
• 125 degrees
• 75 degrees
• 55 degrees

Tags

CCSS.HSF.TF.A.3

CCSS.HSF.TF.C.8

What is the reference angle for 240 degrees?

• 60 degrees
• 30 degrees
• 45 degrees
• 210 degrees

Tags

CCSS.HSF.TF.A.3

CCSS.HSF.TF.A.4

CCSS.HSF.TF.C.8

What is 5π/6 radians in degrees?

• 180
• 150
• 360
• 120

Tags

CCSS.HSF.TF.A.1

What is 4π/3 radians in degrees?
 

• 120
• 240
• 210
• 270

Tags

CCSS.HSF.TF.A.1

CCSS.HSF.TF.A.2

What is 120 degrees in radians?
 

• 2π/3
• π/3
• 5π/3
• 4π/3

Tags

CCSS.HSF.TF.A.1

CCSS.HSF.TF.A.2

CCSS.HSG.C.B.5

What is 11π/6 radians in degrees? 

• 30
• 330
• 360
•  300

Tags

CCSS.HSF.TF.A.1

CCSS.HSG.C.B.5

What is 360 degrees in radians? 

• 2π/3
• 5π/4
• 2π
• π

Tags

CCSS.HSF.TF.A.1

CCSS.HSF.TF.A.2

CCSS.HSG.C.B.5

The hypotenuse of any right triangle from the center of the unit circle to an edge is always

• 1
• sqt2/2
• sqt3/2
• 1/2

Tags

CCSS.HSF.TF.A.3

CCSS.HSF.TF.C.8

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8