Dra's Geometry Terms

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Across
  1. 2. line- intersects a circle at exactly 1 point (point of tangency)
  2. 3. – comparison of two numbers
  3. 6. Trapezoid - Trapezoid with congruent legs
  4. 10. – point of concurrency of the angle bisectors of a triangle
  5. 11. – segment between non-consecutive vertices of a polygon
  6. 12. – arc whose measure = 180°
  7. 14. – a segment from the vertex of a triangle to the midpoint of the opposite side
  8. 16. - Diagonals are
  9. 17. angle – angle whose vertex is the
  10. 18. - A quadrilateral with exactly 1 pair of parallel sides (parallel sides- bases; non-parallel-legs)
  11. 20. lines – when three or more lines intersect at a single point
  12. 22. takes up
Down
  1. 1. proof – proof by contradiction uses indirect reasoning
  2. 4. – the amount of 3-D space that a
  3. 5. – distance around outside of a circle
  4. 7. – a chord thru the center of the circle (made up of two radii ; always the longest chord)
  5. 8. segment between the midpoints of 2 sides of a triangle
  6. 9. – quadrilateral with both pair of opposite sides parallel
  7. 13. arc – arc whose measure is greater than
  8. 15. – amount of flat surface covered
  9. 16. – equation with two ratios
  10. 19. – segment from a vertex of a triangle that is perpendicular to the line containing the opposite side.
  11. 20. of the circle.
  12. 21. – a segment whose both endpoints are on the