Geometry

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Across
  1. 2. Triangles / Triangles that have the same shape and size
  2. 6. Angles / 180 Degrees
  3. 8. / 10 sides
  4. 9. / Opposite and flipped fraction
  5. 13. / 4 sides
  6. 14. / 3 sides
  7. 16. Addition Postulate / Part + Part = Whole
  8. 17. Of Exterior Angles / 360 Degrees
  9. 18. / The class we are in
  10. 21. / A quadrilateral in which both pairs of opposite sides are parallel
Down
  1. 1. Lines / Lines that go on forever but never intersect
  2. 3. Bisector / A line, segment, or ray that divides an angle into two equal parts
  3. 4. Theorem / a^2 + b^2 = c^2
  4. 5. Angles / 2 angles that are directly across from each other on intersecting lines and they are always congruent
  5. 7. / A closed figure formed by three or more line segments called sides
  6. 10. / A triangle that has all equal sides
  7. 11. / A segment joining a vertex to the midpoint of the opposite side
  8. 12. / A segment joining a vertex to the opposite side so that it is perpindicular to that side
  9. 13. / Not parallel and they don't touch
  10. 15. / A triangle with 2 congruent sides
  11. 19. Angle / 90 Degrees
  12. 20. of Interior Angles / S = (n-2) x 180