HG U6D7 Radians and Reference Angles Nov7

Last updated 7 months ago
16 questions
1

Draw a 60o angle in standard position.

1

Draw a 150o angle in standard position.

1

Draw a 330o angle in standard position.

1

An angle is made up of two rays extending from the same point.
Draw an angle in standard position so that one ray lands in Quadrant III.
What is the measure of your angle?
Standard Position = One ray at 0o

Convert Degrees to Radians

Example:
1
90o converted to radians becomes _______.
1
270o converted to radians becomes _______.
1
10o converted to radians becomes _______.
Convert Radians to Degrees

Example:
1
π/9 radians converted to degrees is _______o.
1
4π/3 radians converted to degrees is _______o.
1
3π radians converted to degrees is _______o.
Would you like to review basic angle concepts?
Watch the video.
Reference Angles
Example:
1
If the question is asked in degrees, then answer in degrees. If the question is asked in radians, answer in radians.

The reference angle for 220o is _______o.
1
If the question is asked in degrees, then answer in degrees. If the question is asked in radians, answer in radians.

The reference angle for 15π/16 is _______.
1
If the question is asked in degrees, then answer in degrees. If the question is asked in radians, answer in radians.

The reference angle for 330o is _______o.
1
If the question is asked in degrees, then answer in degrees. If the question is asked in radians, answer in radians.

The reference angle for 135o is _______o.
1
If the question is asked in degrees, then answer in degrees. If the question is asked in radians, answer in radians.

The reference angle for 2π/3 is _______.
1
If the question is asked in degrees, then answer in degrees. If the question is asked in radians, answer in radians.

The reference angle for 11π/6 is _______.