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  • Trigonometry
  • Tests in Angles and Angle Measurement
  • Measuring angles in degrees

Measuring angles in degrees

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  • Question 1:
    1 pts
    		An angle has two rays: an initial ray, a terminal ray. Which ray is terminal?
    red one
    blue one
  • Question 2:
    1 pts
    		Which ray is an initial?
    red one
    blue one
  • Question 3:
    1 pts
    		How many degrees is this angle?
    90∘90^\circ
    130∘130^\circ
    135∘135^\circ
    150∘150^\circ
  • Question 4:
    2 pts
    		How many degrees is this angle?
    −30∘-30^\circ
    315∘315^\circ
    330∘330^\circ
    −45∘-45^\circ
  • Question 5:
    2 pts
    		How many degrees is this angle?
    −30∘-30^\circ
    315∘315^\circ
    330∘330^\circ
    −135∘ -135^\circ
  • Question 6:
    2 pts
    		How many degrees is this angle?
    180∘180^\circ
    −180∘-180^\circ
    90∘90^\circ
    −90∘-90^\circ
  • Question 7:
    2 pts
    		An angle in standard form with a measure of 225∘225^\circ lies in
    First quadrant
    Second quadrant
    Third quadrant
    Fourth quadrant
  • Question 8:
    2 pts
    		An angle in standard form with a measure of 550∘550^\circ lies in
    First quadrant
    Second quadrant
    Third quadrant
    Fourth quadrant
  • Question 9:
    3 pts
    		How many degrees is this angle?
    400∘400^\circ
    405∘405^\circ
    415∘415^\circ
    450∘450^\circ
  • Question 10:
    3 pts
    		How many degrees is this angle?
    500∘500^\circ
    520∘520^\circ
    540∘540^\circ
    560∘560^\circ

Angle Measurement

Right triangle

Unit circle

Trigonometric identities