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Math
Geometry
Integrated Math 2 - Chapter 1 Terms
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Gravity
Terms in this set (33)
Point
Location in space that has no size or shape.
Line
A straight continuous arrangement of an infinite number of points.
Collinear Points
Points that are located on the same line.
Plane
A flat surface that has an infinite length and width, but no depth.
Compass
a tool used to create arcs and circles.
Straightedge
a ruler with no numbers . It is important to know when to use each tool.
Sketch
a geometric figure, the figure is created without the use of tools.
Draw
a geometric figure, the figure is created with the use of tools such as a
ruler, straightedge, compass, or protractor . A drawing is more accurate than a sketch.
Construct
a geometric figure, the figure is created using only a compass and a straightedge.
Coplanar Lines
Two or more lines that are located in the same plane.
Skew Lines
Two or more lines that are not in the same plane .
Ray
A part of a line that begins with a single point and extends infinitely in one direction.
Endpoint of a Ray
Is the single point where the ray begins.
Line Segment
A part of a line that includes two points and all of the collinear points between the two points.
Endpoints of a Line Segment
The points where the line segment begins and ends.
Congruent Line Segments
The points where the line segment begins and ends.
Distance Formula
d=√(x2-x1)2 (y2-y1)2 .
Transformation
The mapping, or movement, of all the points of a figure in a plane according to a common operation.
Rigid Motion
Is a transformation of points in space.
Pre-Image
The original figure.
Image
The new figure created from the translation.
Arc
A part of a circle
Translations
A rigid motion that slides each point of a figure the same distance and direction .
Horizontal Translation
Line segment on the coordinate plane changes the x-coordinates of both endpoints while leaving the y-coordinates the same.
Vertical Translation
Changes the y-coordinates of both endpoints while leaving the x-coordinates the same .
Midpoint
A point that is exactly halfway between two given points .
Midpoint Formula
Segment Bisector
a line, line segment, or ray that divides a line segment into two line segments of equal measure, or two congruent line segments .
Angle Bisector
A ray is drawn through the vertex of an angle and divides the angle into two angles of equal measure, or two congruent angles.
Angle
is formed by two rays or line segments that share a common endpoint.
Perpendicular Bisector
A line, line segment, or ray that bisects a line segment and is also perpendicular to the line segment.
Concurrent
Lines, rays, or line segments are three or more lines, rays, or line segments intersecting at a single point.
Point of Concurrency
The point at which concurrent lines, rays, or segments intersect .
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