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Questions and Answers
What is the definition of a minor arc?
Which term refers to the area enclosed by a chord and an arc?
What is a Tangent in relation to a circle?
Which term describes the width of a circle that passes through the center?
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What does a Secant represent in terms of a circle?
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A __________ is a fraction of the circumference.
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The __________ is the line joining two points on the circumference.
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The center of a circle is also known as the __________.
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The distance from the circle to the circumference is called the __________.
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A __________ is the fraction between two radii and an arc.
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Study Notes
Circle Geometry Terminology
- A minor arc is an arc that measures less than 180 degrees and is the shorter of the two arcs connecting two points on a circle.
- The area enclosed by a chord and an arc is called a sector.
- A tangent is a line that touches a circle at exactly one point, indicating that it does not enter the circle's interior.
- The diameter is the width of a circle that passes through the center, effectively measuring the longest distance across the circle.
- A secant is a line that intersects a circle at two points, extending infinitely in both directions beyond these points.
- An arc length is a fraction of the circumference of the circle, representing a segment of the total distance around the circle.
- A chord is the line segment that joins two points on the circumference of the circle.
- The center of a circle is the point that is equidistant from all points on the circumference.
- The distance from the center to the circumference is known as the radius.
- A central angle is the angle formed by two radii with its vertex at the center of the circle, and it corresponds to the arc opposite it.
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Description
Test your knowledge of circle-related terms such as arc, chord, center, radius, segment, diameter, sector, circumference, tangent, secant, and more.
