Coterminal and Reference Angle

What is the reference angle for 275°?

• 85°

• 95°

• -85°

• -95°

Find the measure of each angle

• a

• b

• c

• d

Find the measure of each angle

• a

• b

• c

• d

What is the reference angle for 240 degrees?

• 60 degrees

• 30 degrees

• 45 degrees

• 210 degrees

Find a coterminal angle to -180 degrees.

• 180

• 90

• 270

• 360

Find an angle coterminal with an angle which measures 11π ∕ 3.

• 17 π / 3

• 4π ∕ 3

• π ∕ 3

• 8π ∕ 3

What is the reference angle for 11pi/6

• pi/6

• pi/3

• pi/4

• 5pi/6

What is the reference angle for 5pi/4?

• pi/4

• 7pi/4

• pi/6

• pi/3

What is the reference angle for -30 degrees?

• 150 degrees

• 30 degrees

• 80 degrees

• 60 degrees

What is the reference angle for 2pi/3

• pi/4

• 7pi/6

• 4pi/3

• pi/3