Podcast
Questions and Answers
What is a circle?
What is a circle?
The set of all points in a plane, equidistant from a given point.
What is the center of a circle?
What is the center of a circle?
The given point from which all points on the circle are equidistant; the circle is named by this point.
Define the radius of a circle.
Define the radius of a circle.
The distance from the center to any point on the circle.
A _____ is a segment whose endpoints are on the circle.
A _____ is a segment whose endpoints are on the circle.
Which term describes a chord that contains the center of the circle?
Which term describes a chord that contains the center of the circle?
What is a tangent in relation to a circle?
What is a tangent in relation to a circle?
A secant is a line that intersects a circle at exactly one point.
A secant is a line that intersects a circle at exactly one point.
What is the circumference of a circle, and how is it calculated?
What is the circumference of a circle, and how is it calculated?
Define pi ($\pi$).
Define pi ($\pi$).
An _____ is the part of the circle created by the central angle.
An _____ is the part of the circle created by the central angle.
What is a minor arc?
What is a minor arc?
What distinguishes a major arc?
What distinguishes a major arc?
What is the term for half of a circle, which measures exactly 180 degrees?
What is the term for half of a circle, which measures exactly 180 degrees?
What is arc length?
What is arc length?
What does arc measure represent?
What does arc measure represent?
A _____ angle is an angle whose vertex is the center of the circle.
A _____ angle is an angle whose vertex is the center of the circle.
An inscribed angle is an angle whose vertex is the center of the circle.
An inscribed angle is an angle whose vertex is the center of the circle.
What defines a circle?
What defines a circle?
What is the center of a circle?
What is the center of a circle?
Define the radius of a circle.
Define the radius of a circle.
What is a chord of a circle?
What is a chord of a circle?
Define the diameter of a circle.
Define the diameter of a circle.
What is a tangent to a circle?
What is a tangent to a circle?
What is a secant line in relation to a circle?
What is a secant line in relation to a circle?
What is the circumference of a circle?
What is the circumference of a circle?
What mathematical constant is defined as the ratio of a circle's circumference to its diameter?
What mathematical constant is defined as the ratio of a circle's circumference to its diameter?
What is an arc of a circle?
What is an arc of a circle?
Which term describes an arc whose measure is less than 180 degrees?
Which term describes an arc whose measure is less than 180 degrees?
What defines a major arc?
What defines a major arc?
What is a semicircle?
What is a semicircle?
What is arc length?
What is arc length?
What is arc measure?
What is arc measure?
What is a central angle in a circle?
What is a central angle in a circle?
What is an inscribed angle?
What is an inscribed angle?
What is a circle?
What is a circle?
The _____ is the given point by which a circle is named.
The _____ is the given point by which a circle is named.
What term describes the distance from the center to any point on the circle?
What term describes the distance from the center to any point on the circle?
A chord is a segment whose endpoints are on the circle.
A chord is a segment whose endpoints are on the circle.
What defines a diameter in a circle?
What defines a diameter in a circle?
A line, segment, or ray that intersects the circle at a single point is called a _____.
A line, segment, or ray that intersects the circle at a single point is called a _____.
Which term describes a line that intersects a circle at exactly two points?
Which term describes a line that intersects a circle at exactly two points?
What is the circumference of a circle, and what are the formulas to calculate it?
What is the circumference of a circle, and what are the formulas to calculate it?
Pi ($\pi$) is the ratio of a circle's diameter to its circumference.
Pi ($\pi$) is the ratio of a circle's diameter to its circumference.
The part of the circle created by a central angle is known as an _____.
The part of the circle created by a central angle is known as an _____.
What is a minor arc?
What is a minor arc?
An arc that measures between 180 and 360 degrees is called a:
An arc that measures between 180 and 360 degrees is called a:
What is a semicircle?
What is a semicircle?
The _____ _____ is the length of an arc between two points on a circle.
The _____ _____ is the length of an arc between two points on a circle.
Arc measure refers to the length of an arc in units like centimeters or inches.
Arc measure refers to the length of an arc in units like centimeters or inches.
What distinguishes a central angle?
What distinguishes a central angle?
An angle whose vertex is on the circle is called a(n):
An angle whose vertex is on the circle is called a(n):
Flashcards
Circle
Circle
The set of all points in a plane equidistant from a given point.
Center
Center
The given point, what the circle is named by.
Radius
Radius
The distance from the center to any point on the circle.
Chord
Chord
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Diameter
Diameter
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Tangent
Tangent
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Secant
Secant
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Circumference
Circumference
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Pi (Ï€)
Pi (Ï€)
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Arc
Arc
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Minor Arc
Minor Arc
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Major Arc
Major Arc
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Semicircle
Semicircle
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Arc Length
Arc Length
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Arc Measure
Arc Measure
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Central Angle
Central Angle
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Inscribed Angle
Inscribed Angle
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Study Notes
- A circle is all points in a plane at the same distance from a specific point.
- The center is the point used to name a circle.
- The radius is the distance between the center and any point on the circle.
- A chord is a line segment with both endpoints on the circle.
- The diameter is a chord that passes through the circle's center.
- A tangent is a line, segment, or ray that touches the circle at only one point.
- A secant is a line that intersects the circle at two points.
- Circumference is the distance around a circle, calculated as pi x d or 2 pi r.
- Pi is the ratio of a circle's circumference to its diameter.
- An arc is a portion of the circle formed by the central angle.
Minor Arc
- A minor arc measures less than 180 degrees.
Major Arc
- A major arc measures between 180 and 360 degrees.
Semicircle
- A semicircle is half of a circle, measuring exactly 180 degrees.
- Arc length is the distance along the arc between two points on the circle.
- Arc measure is the number of degrees an arc covers on a circle.
- A central angle is one where the vertex is at the circle's center.
- An inscribed angle is one where the vertex lies on the circle itself.
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