Angles Initial Side Terminal Side

What is a terminal side of an angle?

• The starting point of an angle
• Where the angle goes at the airport
• The point where the angle stops after its rotation
• None of the above

What is the initial side of an angle in standard form?

• The beginning side of an angle, positive x-axis

• The end side of an angle, negative x-axis

• (0, 0)

• Huh?

A positive angle goes in which direction...

• Counterclockwise
• Clockwise

A negative angle goes in which direction...

• Counterclockwise
• Clockwise

What does co-terminal angles mean?

• They both have a terminal side
• The terminal side for both angles is at the same place
• The terminal side of one angle is the initial side of antother
• The angle never stops

Find a co-terminal angle to 5 degrees.

• 365
• 255
• -220
• -365

Find a co-terminal angle to 90 degrees.

• -270
• 340
• -90
• 360

Find a co-terminal angle to -180 degrees.

• 180
• 90
• 270
• 360

What is the reference angle for 30 degrees?

• 70 degrees
• 30 degrees
• 150 degrees
• 330 degrees

What is the reference angle for 125 degrees?

• 235 degrees
• 125 degrees
• 75 degrees
• 55 degrees