Reference Angles and Radian Measure

Front

What is the conversion formula from radians to degrees?

Back

Degrees = Radians × (180/π)

Front

What is 11π/6 radians in degrees?

Back

330 degrees

Front

What is the reference angle for 455 degrees?

Back

85 degrees

Front

What is a reference angle?

Back

The smallest angle that a given angle makes with the x-axis.

Front

What is the reference angle for 210 degrees?

Back

30 degrees

Front

What is the reference angle for -110 degrees?

Back

70 degrees

Front

In which quadrant is -110 degrees located?

Back

III

Front

In which quadrant is 145 degrees located?

Back

II

Front

What is the reference angle for 300 degrees?

Back

60 degrees

Front

What is the reference angle for 720 degrees?

Back

0 degrees