chapter 4 & 5

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Across
  1. 4. a triangle with 3 sides and 3 angles congruent
  2. 8. a triangle with 3 sides of equal length
  3. 9. a triangle with 2 sides of equal length
  4. 11. a point where 3 or more lines intersect
  5. 12. an angle between 2 sides of a triangle, any angle of the triangle
  6. 13. the center of the incircle of a triangle or other figure
  7. 14. sides that are equal in both triangles
  8. 15. a triangle that has 3 unequal sides
  9. 17. the height of an object in relation to sea level or ground level
  10. 20. point at where the perpendicular bisectors of sides of a triangle intersect
  11. 22. one of the triangle's points of concurrency formed by the intersection of the triangle's 3 altitude
  12. 23. moving a shape without rotating or flipping it
Down
  1. 1. angles of a triangle that are common in one side with the base
  2. 2. a line segment perpendicular to and passing throught the midpoint of left figure
  3. 3. points where 2 lines or line segmente intersect
  4. 5. an third angle having less than 90 degrees
  5. 6. an angle that measures 90 degrees
  6. 7. a line that's causing a mirror image
  7. 10. a set of lines that are said to be concurrent if they all intersect at the same point
  8. 16. the angle between a side of a rectilinear figure and an adjacent side extended outward
  9. 18. the median value of a range of values
  10. 19. the center of mass of a geometric object of uniform density
  11. 21. a plane figure turns around a fixed center point
  12. 22. an angle that has a measurement over 90 degrees but less than 180 degrees