### Chapter 7 Vocabulary Part 2

Semira Ali

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Across
3.a transformation in which a figure is turned around a point.
6.a movement of a figure along a straight line.
10.the point about which a figure is rotated. (3 Words)
11.the vertical change when the slope of the line is expressed as the ratio, rise over run.
12.a parrellogram with all sides congruent.
14.a measure of steepness of a line on a graph; the rise divided by the run.
17.the relationship between two or more objects that are matched.
18.a figure resulting from a transformation.
19.a parrelogram with four right angles.
20.A quadrilateral with exactly one pair of parallel sides .
Down
1.a recteangle with four congruent sides.
2.a rotational symmetry if it can be rotated less than 360 degrees around a central point coincide with the original figure. (2 Words)
4.A change in the size or position of the figure.
5.the horizontal change when the slope of the line is expressed as the ration rise over run.
7.the imaginary "mirror" in a line symmetry. (3 Words)
8.A quadrilateral with two pairs of parallel sides.
9.A polygon with congruent sides and angles . (2 Words)
13.a transformation of a figure that flips the figure across a line.
15.if you can draw a line through it so that the two sides are mirror images of each other. (2 Words)
16.A closed plane figure formed by three or more line segments that intersect only at their endpoint.

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