Geometry Crossword Project

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Across
  1. 3. has 4 ≅ angles and 4 ≅ sides and all properties of BOTH rhombus and rectangle and is a quadrilateral
  2. 4. C²= A² + B²
  3. 6. <a + <b = 180
  4. 7. another word for "reciprocal"
  5. 11. what is this angle called?
  6. 16. the lines are "II" what does this symbol mean?
  7. 17. ≅ what does this symbol mean?
  8. 18. _________ triangle
  9. 19. has 4 ≅ sides and diagonals bisect each other and is a quadrilateral
  10. 20. what is this angle called?
Down
  1. 1. the result of reversing its two constituent statements
  2. 2. ⦦ what kind of angle is this?
  3. 5. this kind of angle is formed when lines are perpendicular to each other
  4. 8. has 4 ≅ angles and ≅ diagonals and is a quadrilateral
  5. 9. statement that has been proved or can be proved
  6. 10. ⊥ what kind of lines are these?
  7. 12. both pairs of opposite angles are congruent and it is a quadrilateral
  8. 13. A = l x w
  9. 14. the sum of all the side lengths
  10. 15. ⦟ what kind of angle is this?