### Unit 1-3 Math Vocabulary

Ms. McCarter

 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

Across
1.polygons that have the same shape but not necessarily the same size.
4.a symbol, usually a letter, that is used to represent one or more numbers.
6.a ratio of corresponding side lengths of a figure and its image after dilation.
10.a transformation that rotates a figure through a given angle.
13.a closed geometric figure made up of three or more line segments that intersect only at their endpoints.
14.an equation stating that two ratios are equivalent.
17.angles that occupy corresponding positions when a line intersects two other lines.
18.states that the sum of the angles of a triangle is 180 degrees.
19.a transformation that stretches or shrinks a figure.
20.similar polygons that have the same size.
Down
2.two angles whose measures have a sum of 90 degrees.
3.a transformation that moves each point of a figure the same distance in the same direction.
5.a coordinate system formed by the intersection of a horizontal number line, called the x-axis, and a vertical number line, called the y-axis.
7.an operation that changes a figure into another figure, called the image.
8.a polygon with all sides equal in length and all angles equal in measure.
9.two angles whose measures have a sum of 180 degrees.
11.an expression that consists of numbers, variables, and operations.
12.a pair of opposite angles formed when two lines meet at a point.
15.a transformation that creates a mirror image of each point of a figure.
16.a mathematical sentence formed by setting two expressions equal.

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