# Shared Flashcard Set

## Details

Chapter 1 (Geometry) test vocab
study guide for chapter 1 for test
31
Mathematics
10th Grade
10/18/2012

## Cards Return to Set Details

Term
 Point:
Definition
 A point is a specific location in space with no size or shape.     [image]
Term
 Line:
Definition
 A line is never-ending straight path. [image]
Term
 Segment:
Definition
 A segment is part of a line containing two endpoints and all the points between them. [image] [image]
Term
 Ray:
Definition
 A ray is part of a line that extends indefinitely in one direction from a fixed point. [image]
Term
 Plane:
Definition
 A plane is a two-dimensional flat surface that extends in all directions. [image]
Term
 Opposite Ray:
Definition
 A opposite ray is two rays that are part of the same line and have only their endpoints in common.  [image]
Term
 Collinear:
Definition
 A collinear is three or more points that lie on the same line.  [image]
Term
 Coplanar:
Definition
 A coplanar are points or lines that lie in the same plane.  [image]
Term
 Angle:
Definition
 A angle is a figure formed by two rays with a common endpoint.  [image]
Term
 Midpoint:
Definition
 A midpoint is on a line segment, the point that is halfway between the endpoints.   [image]
Term
 Bisector:
Definition
 A bistector separate something into two congruent parts. [image]
Term
 Congruent:
Definition
 A congruent is angles having the same measure. [image]
Term
 Vertex:
Definition
 A vertex is the common endpoint of the rays forming the angle. [image]
Term
 Acute Angle:
Definition
 An acute angle is a measure greater than 0° and less than 90°. [image]
Term
 Obtuse Angle:
Definition
 An obtuse angle is an angle that measures more than 90° but less than 180°. [image]
Term
 Right Angle:
Definition
 An right angle measures exactly 90°. [image]
Term
 Straight Angle:
Definition
 A straight angle that measures 180°. [image]
Term
 Complemantary Angle:
Definition
 Complemantary are two angles that sum of their measures is 90°. [image]
Term
 Supplementary Angles:
Definition
 Supplementary Angles are two angles with the sum of their measures is 180°. [image]
Term
 Vertical Angle:
Definition
 Verticle Angles are opposite angles formed by the intersection of two lines.  [image]
Term
 Adjacent Angles:
Definition
 Adjacent Angles are sides that have the same vertex, share a common side, and do not overlap.   [image]
Term
 Linear Pair:
Definition
 Linear Pairs are two angles that are adjacent and supplemenatry and add up to 180 degrees.   [image]
Term
 Perpendicular Lines:
Definition
 Perpendicular lines are when the lines meet to form right angles and whose slopes have a product of -1.   [image]
Term
 Polygon:
Definition
 A polygon is a simple closed figure in a plane formed by three or more line segments. (Triangle, Quadrilatrial, Ocatgon, Decagon, Dodegon, n-gon) [image]
Term
 Concave:
Definition
 A concave is a polygon for which a point on at least one of its diagonals lies outside the polygon.   [image]
Term
 Convex:
Definition
 A convex is a polygon for which all diagonals are located in the interior of the polygon.   [image]
Term
 Regular Polygon:
Definition
 A regular polygon is a polygon that has all sides congruent and all angles congruent.   [image]
Term
 Irregular Polygon:
Definition
 A irregular polygon is a figure that cannot be classified as a single polygon. [image]
Term
 Diagonal:
Definition
 A diagonal is a segment joining two nonconsecutive vertices of a polygon.  [image]
Term
 Side
Definition
 A side is one of the lines that make a flat (2 dimensional) shape. [image]
Term
 Perimeter
Definition
 A perimeter is the distance around a two-dimensional shape. [image]
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