Measuring Angles & Co-terminal Angles

Front

Convert -40° into Radians

Back

-2π / 9

Front

Convert -8π/5 radians to degrees

Back

-288°

Front

What is a negative coterminal angle of 165 degrees?

Back

-555°

Front

Convert 100° to radians

Back

5π/9

Front

Convert 150° to radians

Back

5π/6

Front

What is the formula to convert degrees to radians?

Back

Radians = Degrees × (π/180)

Front

What is the formula to convert radians to degrees?

Back

Degrees = Radians × (180/π)

Front

What is a coterminal angle?

Back

An angle that shares the same terminal side as another angle, differing by a multiple of 360°.

Front

Find a positive coterminal angle for -30°

Back

330°

Front

Find a negative coterminal angle for 45°

Back

-315°