Geometry Basics

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Across
  1. 1. an angle with a degree measure greater than 90 degrees
  2. 5. if two segments have the same length
  3. 11. the formula used to find the midpoint between two endpoints
  4. 12. an angle with a degree measure less than 90 degrees
  5. 14. a line that extends indefinitely in one direction
  6. 17. two angles directly across from each other on intersecting lines
  7. 18. two angles that share a common side and vertex
  8. 20. points that lie on the same plane
Down
  1. 2. a measurable part of a line consisting of two end points
  2. 3. the intersection of two rays at an endpoint
  3. 4. if two segments have the same length, then they are congruent
  4. 6. two lines that never intersect
  5. 7. the formula used to find the distance between two points on a coordinate plane
  6. 8. points that lie on the same line
  7. 9. an angle with degree measure of 180
  8. 10. two angles that have the same measure
  9. 13. a line or ray that divides an angle into two equal parts
  10. 14. an angle with a degree measure of 90 degrees
  11. 15. the common endpoint of an angle
  12. 16. is a flat surface made up of points and extends indefinitely in all directions
  13. 19. is made up of points with no thickness or width