Geometry Crossword Puzzle!

4. The angle formed by a horizontal line and an observer's line of sight to an object below.
8. 3.14
11. Points that lie on the same line are called_____.
13. Figures that have the exact same size and the exact same shape.
14. An unproven statement that is based on observations.
17. A comparison of two numbers by division, often used to show the scale of similar figures.
20. Two angles that share a common vertex and side, but no common interior points.
21. The longest side of a right triangle, opposite the 90-degree angle.
23. The set of all points in space equidistant from a given point called the center.
26. A transformation that "slides" every point of a figure the same distance in the same direction.
27. The distance from the center of a regular polygon to the midpoint of any side.
28. Objects that lie in the same flat surface or plane.

1. A triangle with at least two congruent sides.
2. A polygon with exactly four sides.
3. A transformation that stretches or shrinks a figure to create a similar figure.
5. A parallelogram with four congruent sides.
6. A solid with two congruent, parallel circular bases.
7. The amount of space that a three-dimensional figure encloses.
9. The distance around the outside of a circle.
10. The average value or mean which signifies the central tendency of the set of numbers by finding the product of their values.
12. A transformation that uses a line like a mirror to create a flip image.
14. To write this type of statement, you switch the hypothesis and the conclusion.
15. Part of a line that consists of two endpoints and all points between them.
16. A specific case that shows a statement is false.
18. Two angles that are ___ if the sum of their measure is 180 degrees.
19. The intersection point of two lines on a plane.
22. The point of concurrency where the three medians of a triangle meet.
23. The region of a circle bounded by two radii and their intercepted arc (looks like a pizza slice).
24. Planes that never ever intersect.
25. A line in the plane of a circle that intersects the circle at exactly one point.