Geometry Vocab Puzzle

3. a half-infinite line (also known as a half-line) with one of the two points and. taken to be at infinity.
4. relating to or denoting the system of geometry based on the work of Euclid and corresponding to the geometry of ordinary experience.
7. the exact middle point.
10. the trigonometric function that is equal to the ratio of the side opposite a given angle (in a right triangle) to the hypotenuse.
11. at an angle of 90° to a given line, plane, or surface.
12. (of a triangle) having two sides of equal length.
14. the height of anything above a given planetary reference plane, especially above sea level on earth.
15. shaped like a sphere.
17. the highest point; the top or apex.
19. the angle between the horizontal line and the observation of the object from the horizontal line.
20. The line that divides something into two equal parts.

1. in agreement or harmony.
2. relating to a hyperbola.
5. formed when two lines intersect each other at a single point.
6. in the same plane.
8. (of a surface or object) marked with characters.
9. the branch of mathematics concerned with the properties and relations of points, lines, surfaces, solids, and higher dimensional analogs.
13. (of a triangle) having sides unequal in length.
16. (of a line) intersecting a system of lines.
18. a plane figure with three straight sides and three angles.