Geometry Project

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Across
  1. 4. Lines Two lines that intersect at a 90° angle.
  2. 6. An angle that measures exactly 180°.
  3. 8. An angle that measures less than 90°.
  4. 9. A flat surface that extends infinitely in all directions.
  5. 10. A triangle with no congruent sides.
  6. 12. A polygon with five sides.
  7. 13. Two angles that share a common side and vertex.
  8. 15. A line or ray that divides an angle into two equal parts.
  9. 18. A polygon with six sides.
  10. 19. Angles that have the same measure.
  11. 20. A pair of adjacent angles whose sum is 180°.
Down
  1. 1. A rule that proves two triangles are identical (SSS, SAS, ASA, AAS, HL).
  2. 2. A part of a line with two endpoints.
  3. 3. A quadrilateral with four equal sides and four right angles.
  4. 5. A geometric property stating that any figure is congruent to itself.
  5. 7. A triangle with two congruent sides.
  6. 11. Angles Two angles whose sum is 90°.
  7. 14. A location in space with no size.
  8. 16. A straight path that extends infinitely in both directions.
  9. 17. A part of a line that starts at one point and extends infinitely in one direction.