Which angle is NOT a positive angle drawn in standard position?

• A.
• B.
• C.
• D.

Answer: (C)

Verified step by step guidance

1. Understand that a positive angle in standard position is measured counterclockwise from the positive x-axis.
2. Examine the first image: The angle is 78°, measured counterclockwise from the positive x-axis, which is a positive angle.
3. Examine the second image: The angle is 129°, measured counterclockwise from the positive x-axis, which is a positive angle.
4. Examine the third image: The angle is 54°, measured clockwise from the positive x-axis, which is not a positive angle in standard position.
5. Examine the fourth image: The angle is 222°, measured counterclockwise from the positive x-axis, which is a positive angle.