draw six segments that pass through every dot in the figure without taking your pencil off the...
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![Page 1: Draw six segments that pass through every dot in the figure without taking your pencil off the paper. Session 55](https://reader035.vdocuments.net/reader035/viewer/2022070306/551643c0550346a2698b46fc/html5/thumbnails/1.jpg)
Draw six segments that pass through every dot in the figure without taking your pencil off the paper.
Session 55
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Go over test
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Unit 5 Vocabular
y
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Angle
• A figure formed by 2 rays with a common endpoint.
The angle is
ABC
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Circle
• The set of points on a plane at a certain distance, or radius, from a single point, the center
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Perpendicular Line Two lines that intersect at a right angle (90°).Written as AB PQ
#$#$$#$$#$$#$$#$$#$$#$$#$$#$$#$$#$$#$$#$ $#$
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Parallel Line
Lines in a plane that either do not share any points and never intersect, or share all points.Written as AB PQ
#$#$$#$$#$$#$$#$$#$$#$$#$$#$$#$$#$$#$$#$ $#$
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Line Segment
A line with two endpoints.Written as
AB
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Point
Point A or
Point B
An exact position or location in a given plane.
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Line The set of points between points P and Q in a plane and the infinite number of points that continue beyond the points.Written as #$$$$$$$$$$$$$ $
AB
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Distance along a line
The linear distance between two points on a given line.
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Acute Angle
An angle measuring less than 90° but greater than 0°.
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Obtuse Angle
An angle measuring greater than 90° but less than 180°.
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One-to-One A relationship wherein each point in a set of points is mapped to exactly one other point.
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Pre-image
The original figure before undergoing a transformation.
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Image
The new, resulting figure after a transformation
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Isometry
A transformation in which the preimage and image are congruent.
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Rigid transformations can also be referred to as an ISOMETRY.
Every segment is congruent to its image.
Transformations are called RIGID if every image is congruent to its preimage.
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Which of the following are rigid transformations?
(Isometry)
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Isometries not onlypreserve lengths, butthey preserve angle
measuresparallel lines, and
betweenness of points
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Find the value of each variable, given that the transformation is an isometry.
72x6 23 y10
4 ,12 yx
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Congruent
Figures are congruent if they have the same shape, size, lines, and angles.
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Similar Triangles
Triangles are similar if they have the same shape but have different sizes.
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HWPractice WS