Geometry Project

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