Angle Rotations (TEST 1 REVIEW)

Front

Convert \(\pi\) radians to degrees.

Back

180°

Front

How many radians does a circle have?

Back

2\(\pi\) radians

Front

Angles that add up to 90° are called?

Back

Complementary

Front

Convert 150° to radians.

Back

\(\frac{5\pi}{6}\)

Front

Which of the following is a negative coterminal angle of 165 degrees?

Back

-195°

Front

What is the formula to convert degrees to radians?

Back

\(radians = degrees \times \frac{\pi}{180}\)

Front

What is the formula to convert radians to degrees?

Back

\(degrees = radians \times \frac{180}{\pi}\)

Front

What are supplementary angles?

Back

Angles that add up to 180°.

Front

What is a coterminal angle?

Back

An angle that shares the same terminal side as another angle.

Front

How do you find a coterminal angle?

Back

Add or subtract multiples of 360° (or 2\(\pi\) radians).