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Questions and Answers
Which part of a circle is a connected part of its circumference bounded by two distinct points?
Which part of a circle is a connected part of its circumference bounded by two distinct points?
- Center
- Radius
- Diameter
- Arc (correct)
What is the name given to an arc that subtends an angle of less than 180° to the center of the circle?
What is the name given to an arc that subtends an angle of less than 180° to the center of the circle?
- Minor arc (correct)
- Chord
- Major arc
- Secant
What is the name given to an arc that subtends an angle of 180° or more to the center of the circle?
What is the name given to an arc that subtends an angle of 180° or more to the center of the circle?
- Minor arc
- Major arc (correct)
- Secant
- Chord
What is the name of the arc that subtends a 90° angle to the center of the circle?
What is the name of the arc that subtends a 90° angle to the center of the circle?
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How are arcs of a circle named?
How are arcs of a circle named?
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Study Notes
Circle Terminology
- A connected part of a circle's circumference bounded by two distinct points is called an arc.
Arc Types
- An arc that subtends an angle of less than 180° to the center of the circle is called a minor arc.
- An arc that subtends an angle of 180° or more to the center of the circle is called a major arc.
- An arc that subtends a 90° angle to the center of the circle is called a quadrant arc.
Naming Arcs
- Arcs of a circle are named by using three letters (often uppercase) that identify the endpoints and the center of the circle.
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