9.2 Coterminal Angles and Radians Warm-up

Find a coterminal angle to 45°.

• 360°

• 405°

• 315°

• 295°

Tags

CCSS.HSF.TF.A.2

CCSS.HSF.TF.A.4

Find a coterminal angle to -27°.

• -387°

• 27°

• 323°

• -393°

Tags

CCSS.HSF.TF.A.4

What are the negative and positive coterminal angles of 240°?

• 540°, -120°

• 600°, -120°

• 425°, -240°

• 120°, -135°

Tags

CCSS.HSF.TF.A.2

CCSS.HSF.TF.A.4

What are the negative and positive coterminal angles of -225°?

• 375°, -600°

• 125°, -356°

• 135°, -585°

• 60°, -120°

Tags

CCSS.HSF.TF.A.2

CCSS.HSF.TF.A.4

What is the most likely measure of the angle shown here?

• 60 degrees

• 540 degrees

• -60 degrees

• 420 degrees

What is the most likely measure of the angle shown here?

• -80 degrees

• -130 degrees

• 230 degrees

• 150 degrees

Convert  $\frac{11\pi}{6}$   radians to degrees

• 30

• 330

• 360

•  300

Convert $\frac{2\pi}{3}$   radians to degrees 

• 150

• 120

• 180

•  30

Convert 225 degrees to radians

• 7π/4

• 5π/4

• 3π/4

• 5π/3

Convert 150 degrees to radians

• 5π/6

• 3π/4

• 7π/6

• 2π/3