## Geomtery H-Chapter 4 Congruence

##### Created by:

12jferguson3  on November 2, 2009

##### Classes:

Ursuline 2012 Quizlet Group

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# Geomtery H-Chapter 4 Congruence

 origina starting point
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#### Definitions

origin a starting point
coordinate a number assigned to a point
one-dimensional coordinate system a system with an origin and a ruler
two-dimensional coordinate system a system witha plance where points can be located
axes two perpendicular lines
x-axis horizontal axis, labeled "x"
y-axis vertical axis, labeled "y"
coordinate used to find the distances between points inthe plane
coordinates two __________ in our system locate a point on a plane
polygon connected set of at least three line segments in teh same plane such taht each segment intersects exactly twoothers, one at each midpoint
polygon "figure bounded by line segments that lies in a plane
sides line segments are the _____ of a polygon
vertices the endpoints of a polygon are it's ______
n-gon If n is the this number of sides, the polygon is a _________
congruent same size and shape
correspondence an attribute of a shape or relation
congruent two triangles are _____ iff there is a correspondence between their vertices such taht all of their corresponding sides and angles are equal
included, opposite the words ______ and __________ describe the relative positions of the sides and angles of a triangle
scalene a triangle iff it has no equal sides
isosceles a triangle iff it has at least two equal sides
equilateral a triangle iff all of its sides are equal
obtuse a triangle iff it has an obtuse angle
acute a triangle iff all of its angles are acute
equilangular a triangle iff all of its angles are equal

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