# Shared Flashcard Set

## Details

Geometry Review
This is to prepare us for the ISTEP by reviewing important Geometry Terms.
27
Mathematics
01/28/2015

Term
 Intersecting Lines
Definition
 Lines that cross at one point. [image]
Term
 Line
Definition
 A straight path of points that goes on and on in both directions. [image]
Term
 Parallel Lines
Definition
 Lines that never meet. [image]
Term
 Perpendicular Lines
Definition
 Two intersecting lines that form RIGHT ANGLES [image]
Term
 Point
Definition
 An exact location in space. [image]
Term
 Angle
Definition
 A figure formed by two rays that have the same endpoint. [image]
Term
 Acute Angle
Definition
 An angle that is less than a right angle.  An angle that is less than 90 degrees. [image]
Term
 Obtuse Angle
Definition
 An angle that is greater than a right angle.  An angle that is greater than 90 degrees. [image]
Term
 Line Segment
Definition
 A part of a line that has two endpoints. [image]
Term
 Right Angle
Definition
 An angle that forms a sqare corner.  A 90 degree angle.[image]
Term
 Ray
Definition
 A part of a line that has one endpoint and continues endlessly in one direction. [image]
Term
 Straight Angle
Definition
 An angle that forms a straight line.  A 180 degree angle. [image]
Term
 Vertex
Definition
 The point where two rays meet to form an angle. [image]
Term
Definition
 A polygon with 4 sides. [image]
Term
 Polygon
Definition
 A closed plane figure made up of line segments. [image]
Term
 Triangle
Definition
 A polygon with 3 sides. [image]
Term
 Acute Triangle
Definition
 A triangle with three acute angles. [image]
Term
 Isosceles Triangle
Definition
 A triangle that has at least two equal sides. [image]
Term
 Equilateral Triangle
Definition
 A triangle in which all the sides are the same length. [image]
Term
 Right Triangle
Definition
 A triangle in which there is one right angle. [image]
Term
 Obtuse Triangle
Definition
 A triangle in which there is one obtuse angle. [image]
Term
 Parallelogram
Definition
 A quadrilateral in which opposite sides are parallel. [image]
Term
 Scalene Triangle
Definition
 A triangle in which no sides are the same length. [image]
Term
 Rhombus
Definition
 A quadrilateral in which opposite sides are parallel and all sides are the same length. [image]
Term
 Rectangle
Definition
 A quadrilateral with 4 right angles [image]
Term
 Trapezoid
Definition
 A quadrilateral with only one pair of parallel sides. [image]
Term
 Square
Definition
 A quadrilateral with 4 right angles and all sides are the same length. [image]
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