Understanding Angles and Coterminal Angles

What is the measure of a positive angle that rotates counterclockwise from the positive x-axis?

• It is a negative angle.

• It is a positive angle.

• It is a zero angle.

• It is an undefined angle.

Which quadrant does an angle of 130 degrees lie in?

• Quadrant II

• Quadrant I

• Quadrant III

• Quadrant IV

What is the radian measure equivalent to 180 degrees?

• π radians

• 3π/2 radians

• π/2 radians

• 2π radians

How do you represent a negative angle in standard position?

• By rotating counterclockwise from the positive x-axis

• By rotating clockwise from the positive x-axis

• By rotating counterclockwise from the negative x-axis

• By rotating clockwise from the negative x-axis

What is a coterminal angle?

• An angle that is always positive

• An angle that lies on the y-axis

• An angle that lies on the x-axis

• An angle that has the same initial and terminal sides but different measures

If an angle is 60 degrees, what is a positive coterminal angle?

• 300 degrees

• 420 degrees

• 60 degrees

• 120 degrees

What is the negative coterminal angle of 30 degrees?

• -60 degrees

• -330 degrees

• -30 degrees

• -390 degrees

How do you find a positive coterminal angle in radians for π/4?

• Add π/2

• Subtract π/2

• Add 2π

• Subtract 2π

What is the degree measure of 11π/6 radians?

• 180 degrees

• 360 degrees

• 300 degrees

• 330 degrees

What is the process to find a negative coterminal angle for π/4?

• Add 2π

• Add π

• Subtract 2π

• Subtract π