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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?
    $90^\circ$
    $130^\circ$
    $135^\circ$
    $150^\circ$
  • Question 4:
    2 pts
    		How many degrees is this angle?
    $-30^\circ$
    $315^\circ$
    $330^\circ$
    $-45^\circ$
  • Question 5:
    2 pts
    		How many degrees is this angle?
    $-30^\circ$
    $315^\circ$
    $330^\circ$
    $ -135^\circ$
  • Question 6:
    2 pts
    		How many degrees is this angle?
    $180^\circ$
    $-180^\circ$
    $90^\circ$
    $-90^\circ$
  • Question 7:
    2 pts
    		An angle in standard form with a measure of $225^\circ$ lies in
    First quadrant
    Second quadrant
    Third quadrant
    Fourth quadrant
  • Question 8:
    2 pts
    		An angle in standard form with a measure of $550^\circ$ lies in
    First quadrant
    Second quadrant
    Third quadrant
    Fourth quadrant
  • Question 9:
    3 pts
    		How many degrees is this angle?
    $400^\circ$
    $405^\circ$
    $415^\circ$
    $450^\circ$
  • Question 10:
    3 pts
    		How many degrees is this angle?
    $500^\circ$
    $520^\circ$
    $540^\circ$
    $560^\circ$

Angle Measurement

Right triangle

Unit circle

Trigonometric identities