Angles and Reference Angles

Which is a coterminal angle to the angle shown?

• 25

• -205

• 335

• 516

Which is a coterminal angle to the angle shown?

• 613

• 73

• -117

• 17

Which is a coterminal angle to the angle shown?

• 167

• 717

• -13

• 527

Which is a coterminal angle to the angle shown?

• -157

• -158

• -159

• -160

Which is a coterminal angle to the angle shown?

• 677

• 577

• 477

• 777

Which is a coterminal angle to the angle shown?

• -215

• 215

• 225

• -225

Which is a coterminal angle to the angle shown?

• 42

• 138

• 582

• 492

Find the reference angle of 120 ⁰

• 30

• 60

• 20

• 180

Find the reference angle of 420⁰

• 25

• 50

• 400

• 60

Find the reference angle of -19π / 18

• π/18

• π/9

• 5π/2

• -π/18