CROSSWORD PUZZLE

2. the space between two intersecting lines
4. is a fundamental relation in Euclidean geometry among the three sides of a right triangle
7. a plane figure with three straight sides and three angles
12. the ratio of the hypotenuse to the side opposite an acute angle
14. the continuous line forming the boundary of a closed geometric figure
15. is an object that has both a magnitude and a direction
16. a number that shows the size or amount of something
19. a small angle which is less than 90 degrees
20. the length of the hypotenuse divided by the length of the adjacent side
21. a unit of angle measure
23. defined as the ratio of a circle's circumference to its diameter
24. line segment that joins two vertices in a shape or two-dimensional figure

1. is an operation that undoes what was done by the previous operation
3. a rule in algebra or other branches of mathematics expressed by symbols or formulae
5. studies relationships between side lengths and angles of triangles
6. having a common vertex and a common side
8. an angle which is more than 90 degrees and less than 180 degrees
9. is a mathematical object used to count, measure, and label
10. a quantity used as a standard of measurement
11. a set of values that show an exact position
13. the longest side of a right triangle, opposite the right angle
17. is a picture that represents data in an organized manner
18. the quantitative relation between two amounts showing the number of times one value
22. a straight line from the center to the circumference of a circle