Geometry Cumulative Crossword Puzzle

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Across
  1. 2. Two angles whose sum is 180°.
  2. 4. A statement that has been proven true
  3. 8. A line that intersects 2 or more lines at different points
  4. 9. Two lines that intersect to form right angles.
  5. 11. A type of reasoning based on facts, rules, and logic.
  6. 13. Points or lines that lie on the same plane
  7. 15. The acronym for saying that all corresponding parts of congruent triangles are congruent
  8. 16. ________ Angles opposite each other when 2 lines intersect, always congruent. (ONE WORD)
Down
  1. 1. Two angles whose sum is 90°.
  2. 3. A statement accepted as being true without needing proof
  3. 5. The longest side of a right triangle, opposite the 90° angle.
  4. 6. Lines in the same plane that never intersect
  5. 7. A type of reasoning based on patterns and observations
  6. 10. A part of a line consisting of 2 endpoints and all points between them.
  7. 12. Having the same shape and size
  8. 13. Points that lie on the same line
  9. 14. An equation stating that two ratios are equal.