Geo quiz

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Last updated 1:48 AM on 6/5/26
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17 Terms

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Circle

The set of points equidistant from the center, equals 360

<p>The set of points equidistant from the center, equals 360</p>
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Radius

A segment with endpoints at the center and on the circle (R= ½ D)

<p>A segment with endpoints at the center and on the circle (R= ½ D) </p>
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Chord

A segment with endpoints on the circle

<p>A segment with endpoints on the circle </p>
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Diameter

A segment that passes through the center (D= 2R)

<p>A segment that passes through the center (D= 2R)</p>
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Secant

A line that intersects a circle at exactly 2 places

<p>A line that intersects a circle at exactly 2 places </p>
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Tangent

A line, segment, or a ray that intersects the circle at exactly one point

<p>A line, segment, or a ray that intersects the circle at exactly one point</p>
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Point of tangency

The point where a circle and a tangent intersect

<p>The point where a circle and a tangent intersect</p>
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Central Angle

An angle with a vertex at the center of a circle and 2 sides are radii

<p>An angle with a vertex at the center of a circle and 2 sides are radii </p>
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Inscribed Angle

An angle with a vertex on the circle and two sides that are chords

<p>An angle with a vertex on the circle and two sides that are chords</p>
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Arc

The portion of the edge of the circle defined by two endpoints (outside)

<p>The portion of the edge of the circle defined by two endpoints (outside) </p>
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Minor Arc

An arc with a measure LESS THAN 180 (It is named by two letters)

<p>An arc with a measure LESS THAN 180 (It is named by two letters) </p>
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Major Arc

An arc whose measure is GREATER THAN 180 (named by three letters)

<p>An arc whose measure is GREATER THAN 180 (named by three letters) </p>
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Semicircle (half of a circle)

An arc with endpoints on the diameter, equals 180

<p>An arc with endpoints on the diameter, equals 180 </p>
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Exterior Angle

An angle that is formed by secants and tangents whose vertex is in the exterior of the circle

<p>An angle that is formed by secants and tangents whose vertex is in the exterior of the circle </p>
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Interior Angle

An angle that is formed by chords and secants whose vertex is inside the circle.

<p>An angle that is formed by chords and secants whose vertex is inside the circle. </p>
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Arc length formula

xC360\frac{xC}{360} C= 2πR2\pi R or πD\pi D

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Tangents form

Pythagorean theorem