Co-Terminal Reference Angles Radians and Degrees

What are co-terminal angles?

• angles that share the same terminal side

• angles that are supplementary

• angles that are complimentary

• angles that are opposite each other

What is a reference angle?

• angles measuring more than 180 degrees

• co-terminal with another angle

• an angle measured in degrees

• Acute, positive angle formed with terminal side and x axis

What is 7π/4 radians in degrees?

• 300

• 135

• 315

• 45

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

• 375°, -600°

• 125°, -356°

• 135°, -585°

• 60°, -120°

What is 11π/6 radians in degrees?

• 30⁰

• 330⁰

• 360⁰

• 300⁰

Which of the following angles are coterminal to the angle -\frac{3\pi}{4} ? Select all that apply.

Which is a coterminal angle to the angle shown?

• -215

• 215

• 225

• -225