4.8 Co- Terminal and Refence Angles

Front

What is a reference angle?

Back

The reference angle is the acute angle formed by the terminal side of an angle in standard position and the x-axis.

Front

What is the reference angle for 570°?

Back

The reference angle for 570° is 30°.

Front

What is the reference angle for 347°?

Back

The reference angle for 347° is 13°.

Front

What is the reference angle for 248°?

Back

The reference angle for 248° is 68°.

Front

In which quadrant is 570° located?

Back

Quadrant 3.

Front

In which quadrant is 150° located?

Back

Quadrant 2.

Tags

CCSS.5.G.A.1

Front

What is the reference angle for 150°?

Back

The reference angle for 150° is 30°.

Front

What is the reference angle for 240°?

Back

The reference angle for 240° is 60°.

Front

What direction are negative angles measured from standard position?

Back

Clockwise.

Front

What direction are positive angles measured from standard position?

Back

Counterclockwise.