Coterminal and Reference Angle

Which is a coterminal angle to the angle shown?

• 831

• 832

• 833

• 834

Which is a coterminal angle to the angle shown?

• -215

• 215

• 225

• -225

Find the reference angle for an angle of 150 degrees.

• 60 degrees

• 120 degrees

• 90 degrees

• 30 degrees

Calculate the reference angle for an angle of -45 degrees.

• 45 degrees

• 180 degrees

• -90 degrees

• 90 degrees

Find an angle between 0 and 360 degrees that is coterminal with -1500 degrees. (Type numbers only)

Mathematical Equivalence

ON

What is the reference angle?

• 43

• -43

• 47

• -47

What is the reference angle for an angle of -210 degrees?

• 30 degrees

• 360 degrees

• 90 degrees

• 180 degrees

Determine the reference angle for an angle of 300 degrees.

• 45 degrees

• 120 degrees

• 90 degrees

• 60 degrees

Find the reference angle for an angle of 420 degrees.

• 60 degrees

• 300 degrees

• 90 degrees

• 180 degrees

Calculate the reference angle for an angle of -120 degrees.

• 60 degrees

• 180 degrees

• 360 degrees

• -60 degrees