Geometry Final Crossword

3. On the same plane
4. each endpoint where a side meets in a polygon
7. The point at which all altitudes of a triangle intersect
10. a line segment that joins two vertices of the polygon which are not already joined by an edge of the polygon.
11. The same line
16. The center of the incircle of a triangle or other figure
17. Half of a sphere
19. having a common vertex and a common side.
21. A straight continuous length of points, but no thickness
22. An extra line that helps with proof
23. A line intersecting two or more other lines in the plane

1. 2 angles that add up to 180 degrees
2. A cylinder that is not a right cylinder
5. a three-sided polygon that consists of three edges and three vertices.
6. The point on the segment that is the same distance from both endpoints
8. The measure of space contained in a solid
9. a closed plane figure bounded by straight lines
10. The distance from one point on a circle through the center to another point on the circle
12. 2 angles that add up to 90 degrees
13. They share a vertex and are on the same ray
14. Polyhedron with 6 faces
15. The center point of an object.
18. The type of triangle with two congruent sides
20. A line segment that joins any two parts of a circle
22. Altitude that is the radius of the polygon