Geometry Crossword

4. The intersection of two rays at an endpoint. The endpoint is called a vertex.
5. Two angles with measures that add up to 180. Together they form a straight angle.
7. An angle with a degree measure of 90. It looks like the corner of a square.
9. Two angles directly across from each other on intersecting lines. They are always equal in measure.
10. A comparison of two or more quantities. It's usually written using a colon, the word “to”, or a fraction.
11. An angle with a degree measure greater than 90. It looks wider or bigger than a right angle.
14. A closed figure formed by straight line segments. It has three or more sides.
15. The common endpoint of an angle. Where the sides intersect.
16. An angle with a degree measure less than 90. It looks sharper or smaller than a right angle.
17. Adjacent angles that are supplementary. Combined, they form a straight line. (two words, no space)
18. A point that divides the segment into 2 congruent segments. It is exactly halfway between the segments and endpoints.
19. Two angles that have the same measure. They are equal even if they are in two different locations.
20. Two lines that never intersect. They always stay the same distance apart. (two words, no space)

1. A quadrilateral in which both pairs of opposite sides are parallel. Opposite angles are also equal.
2. The ratio used to multiply or divide the sides of one triangle to get the sides of another. It shows how much a shape is growing or shrinking in a scale drawing. (two words, no space)
3. Made up of points with no thickness or width. Usually named by any two points on it.
6. A flat surface made up of points and extends indefinitely in all directions. It has length and width but no thickness.
8. A line that intersects two or more lines. It creates angles with the lines it intersects.
12. A location with no size or shape. It is usually represented by a dot and named with a capital letter.
13. Two lines that intersect at a 90 degree angle. They meet at a perfect corner.