Angles in a Coordinate Plane

Positive angles are measured in which direction from standard position?

• Clockwise
• Counterclockwise

Negative angles are measured in which direction from standard position?

• Clockwise
• Counterclockwise

Standard position is when .....

• the initial side of the angle is on the positive x-axis.
• the initial side of the angle is on the negative x-axis.
• the initial side of the angle is on the positive y-axis.
• the initial side of the angle is on the negative y-axis.

Which of the following degree measures is represented by this diagram?

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Which quadrant is 230⁰ in?

• I
• II
• III
• IV

135° is found in which quadrant?

• Quadrant 1
• Quadrant 2
• Quadrant 3
• Quadrant 4

What is the reference angle for -30°?

• 150°

• 30°

• 80°

• 60°