Math Crossword

Across
5.	any two angles in which the sum of their measures is 90
6.	a number value. a number on its own
7.	set of all the y-values
9.	a transformation which slide each point of a figure the same distance and the same direction
12.	set of all the x-values
14.	horizontal number line
15.	are two angles that are across of each other when two lines intersect
16.	an operation that maps an original figure called the pre-image onto a new figure called the image
18.	a flip over a line called the line of...
19.	longest side; right angle points to it
20.	two angles that share a common vertex and side

Down
1.	vertical number line
2.	two lines that never intersect
3.	any two angles in which the sum of their measures is 180
4.	four quadrants or regions
8.	a number part of the term that contains a variable
10.	formed by the intersection of the x-axis and the y-axis
11.	the enlargement or reduction of a figure
13.	a letter that represents an unknown value
17.	a set of ordered pairs