Geometry Final Crossword

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Across
  1. 4. Altitude that is the radius of the polygon
  2. 6. a three-sided polygon that consists of three edges and three vertices.
  3. 9. The type of triangle with two congruent sides
  4. 14. The center of the incircle of a triangle or other figure
  5. 17. An extra line that helps with proof
  6. 18. A cylinder that is not a right cylinder
  7. 19. a closed plane figure bounded by straight lines
  8. 21. having a common vertex and a common side.
  9. 23. They share a vertex and are on the same ray
  10. 24. Polyhedron with 6 faces
Down
  1. 1. On the same plane
  2. 2. 2 angles that add up to 90 degrees
  3. 3. The center point of an object.
  4. 5. A line intersecting two or more other lines in the plane
  5. 7. The point at which all altitudes of a triangle intersect
  6. 8. The same line
  7. 10. each endpoint where a side meets in a polygon
  8. 11. The point on the segment that is the same distance from both endpoints
  9. 12. 2 angles that add up to 180 degrees
  10. 13. A line segment that joins any two parts of a circle
  11. 15. The measure of space contained in a solid
  12. 16. A straight continuous length of points, but no thickness
  13. 20. a line segment that joins two vertices of the polygon which are not already joined by an edge of the polygon.
  14. 22. The distance from one point on a circle through the center to another point on the circle
  15. 24. Half of a sphere