Math Crossword

2. An expression that has a square root, cube root, etc.
5. A diagram of values, usually shown as lines or bars.
6. Part of the circumference (edge) of a circle.
9. When one shape becomes exactly like another if you flip, slide or turn it.
10. The study of numbers, patterns, space, and change.
12. A symbol for a number we don't know yet. It is usually a letter like x or y.
14. How steep a straight line is.
15. The length of the adjacent side divided by the length of the hypotenuse.
17. Moving a shape, without rotating or flipping it. "Sliding".
18. The amount of turn between two straight lines that have a common end point (the vertex).
19. Is equal to 1 over sine.

1. A 3-sided polygon (a flat shape with straight sides).
3. A straight line going through the center of a circle connecting two points on the circumference.
4. A value that you get closer and closer to, but never quite reach it.
7. Where lines cross over.
8. A line that a curve approaches but never reaches.
11. A result that has been proved to be true (using facts that were already known).
13. An idea that something never ends, it is sometimes used like a number but it is not really.
16. Is equal to 1 over tangent.
20. The result of adding two or more numbers.