Parts of a Circle Vocabulary Quizizz Game

Define the term: Circle

• The set of all points in a plane that are equidistant from a given point.

• A four-sided polygon with opposite sides parallel.

• A three-dimensional shape with a circular base and a single vertex.

• A polygon with three edges and three vertices.

Tags

CCSS.HSG.CO.A.1

Define the term: Radius

• A segment whose endpoints are the center and any point on a circle.

• A line that touches a circle at exactly one point.

• A segment that passes through the center and has its endpoints on the circle.

• A line that divides a circle into two equal parts.

Define the term: Chord

• A segment whose endpoints are on a circle.

• A line that touches a circle at exactly one point.

• A line that passes through the center of a circle.

• A segment that extends infinitely in both directions.

Define the term: Diameter

• A chord that contains the center of a circle.

• A line segment that touches only one point on the circle.

• A line that passes through the circle but not through the center.

• A segment that connects two points on the circle but does not pass through the center.

Tags

CCSS.HSG.C.A.2

Define the term: Secant Line

• A line that intersects a circle in two points.

• A line that touches a circle at exactly one point.

• A line that does not intersect a circle.

• A line that is tangent to a circle.

Define the term: Tangent Line

• A line in the plane of a circle that intersects the circle at exactly one point.

• A line that intersects a circle at two points.

• A line that is parallel to a circle.

• A line that is perpendicular to a radius of a circle.

Define the term: Point of Tangency

• The point at which a tangent line intersects a circle.

• The point at which two circles intersect.

• The point at which a line intersects a parabola.

• The point at which a line intersects a triangle.

Define the term: Central Angle

• An angle whose vertex is the center of a circle.

• An angle formed by two chords of a circle.

• An angle that measures 90 degrees.

• An angle that is supplementary to another angle.

Tags

CCSS.HSG.C.A.2

Define the term: Inscribed Angle

• An angle whose vertex is on a circle and whose sides contain chords of the circle.

• An angle formed by two radii of a circle.

• An angle whose vertex is at the center of the circle.

• An angle formed outside the circle.

Tags

CCSS.HSG.C.A.2

Define the term: Circumscribed Angle

• An angle whose sides are tangent to a circle.

• An angle formed by two radii of a circle.

• An angle inscribed in a semicircle.

• An angle formed outside a circle by two intersecting lines.