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Questions and Answers
Which of the following is true about directed angles?
Which of the following is true about directed angles?
- Directed angles are measured from the center of the circle.
- Directed angles are measured from the vertex of the angle. (correct)
- Directed angles are measured in a counterclockwise direction.
- Directed angles are measured in a clockwise direction.
What is the definition of a directed angle?
What is the definition of a directed angle?
- The rotation of a ray about a point.
- The measurement of an angle in degrees.
- The position of a ray in relation to another ray.
- The ordered pair of rays together with the rotation of one ray to the position of the other ray. (correct)
In the given figures, what is the difference between the two angles that are both measured as 40°?
In the given figures, what is the difference between the two angles that are both measured as 40°?
- One angle is acute and the other is obtuse.
- One angle is measured in radians and the other is measured in degrees.
- One angle is measured in a clockwise direction and the other is measured in a counterclockwise direction. (correct)
- One angle is measured from the center of the circle and the other is measured from the vertex of the angle.
What can be determined using the central angle and the radius of a circle?
What can be determined using the central angle and the radius of a circle?
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How are acute angles of different measures drawn?
How are acute angles of different measures drawn?
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