# Shared Flashcard Set

## Details

Geometry
N/A
44
Mathematics
11/03/2009

Term
 Central Angle
Definition
 an angle with its vertex at the center of a circle
Term
 Point
Definition
 An exact location in space is a __________.
Term
 Arc
Definition
 A(n) _________ is part of a circle named by its endpoints.
Term
 Ray
Definition
 A figure formed by two rays with a common endpoint called the vertex is a(n) __________.
Term
 Chord
Definition
 A ________ is a line segment with endpoints on a circle.
Term
Definition
 A line segment with one endpoint at the center of a circle and the other endpoint on the circle ___________.
Term
 Line Segment
Definition
 A ____________ is a part of a line between two endpoints.
Term
 Diameter
Definition
 The ____________ of a circle is a line segment that passes through the center of a circle and has endpoints on the circle.
Term
 Line
Definition
 A straight path that extends without end in opposite directions is a __________.
Term
 Center of a circle
Definition
 The point inside a circle that is the same distance from all the points on the circle is the _________________.
Term
 Ray
Definition
 A _________ is part of a line that starts at one endpoint and extends forever.
Term
 Plane
Definition
 A flat surface that extends forever is a ___________.
Term
 Circle
Definition
 The set of all points in a plane that are the same distance from a given point called the center is a _________.
Term
 Congruent
Definition
 Two figures having the same shape and size are ___________.
Term
 Transversal
Definition
 A __________ is a line that intersects two or more lines.
Term
 Vertex
Definition
 The two rays are the sides of the angle and the common endpoint is the _________.
Term
 Skew
Definition
 Lines that lie in different planes that are neither parallel nor intersecting are ___________.
Term
 Right
Definition
 An angle that measures 90° is a _______________ angle.
Term
 Acute
Definition
 An angle that measures less than 90° is a(n) _____________ angle
Term
 Perpendicular
Definition
 Lines that intersect to form right angles are ___________ lines.
Term
 Obtuse
Definition
 An angle whose measure is greater than 90° but less than 180°  is a(n) _____________ angle.
Term
 Supplementary
Definition
 Two angles whose measures have a sum of 180° are _____________.
Term
 Straight
Definition
 An angle that measures 180° is a(n) ______________.
Term
 Complementary
Definition
 Two angles whose measures have a sum of 90° are ___________.
Term
 Polygon
Definition
 A closed plane figure formed by three or more line segments.
Term
 Scalene Triangle
Definition
 Triangle that has no congruent sides.
Term
 Isoceles Triangle
Definition
 A triangle with at least 2 congruent sides.
Term
 Equilateral Triangle
Definition
 A triangle with all of the sides congruent.
Term
 Acute Triangle
Definition
 Triangle in which all of the angles are acute.
Term
 Obtuse Angle
Definition
 Triangle with one obtuse angle.
Term
 Right Triangle
Definition
 A triangle with one right angle.
Term
 Parallelogram
Definition
 quadrilateral with 2 pairs of parallel sides.
Term
 Rhombus
Definition
 A quadrilateral that has four congruent sides.
Term
 Rectangle
Definition
 A quadrilateral that has exactly one pair of parallel sides.
Term
 Square
Definition
 A quadrilateral with four congruent sides and four right angles.
Term
 Kite
Definition
Term
 Transformation
Definition
 Changes the position or orientation of a figure
Term
 Image
Definition
 A figure resulting from a transformation.
Term
 Translation
Definition
 A figure slides along a straight line without turning.
Term
 Rotation
Definition
 A figure turns around a fixed point.
Term
 Reflection
Definition
 A transformation of a figure that flips the figure across a line.
Term
 Line of Reflection
Definition
 A line that a figure is flipped across to create a mirror image of the original figure.
Term
 Vertical Angles
Definition
 A pair of opposite congruent angles formed by intersecting lines.
Term
 Asymmetry
Definition
 Not identical on either side of a central line.
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