Unit 2 Part 2 Vocab list

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Across
  1. 5. an operation that moves or changes a geometric figure in some way to produce a new figure called an image
  2. 8. all sides the same length
  3. 9. a triangle with one right angle
  4. 10. a line measured by how steep it is
  5. 11. an angle within a shape that contains the base of the shape as one of its sides
  6. 12. no sides the same length
  7. 13. the sum of measures of the interior angles of a triangle that is 180 degrees
  8. 15. a quadrilateral with two pairs of parallel lines
  9. 17. sides the same length
  10. 21. the angles that form linear pairs with the interior angles
  11. 23. three-sided closed polygon
  12. 24. the side across from an angle
Down
  1. 1. the perpendicular segment from a vertex to the opposite side or to the line that contains the opposite side
  2. 2. a four-sided closed figure
  3. 3. the relationship involving two sides and the angle they form
  4. 4. the side connecting two vertices of a triangle
  5. 6. a triangle with three equal angles
  6. 7. the angles inside a polygon
  7. 14. segment that connects the midpoints of two sides of a triangle
  8. 16. a segment from the vertex to the midpoint of the opposite side
  9. 18. a triangle with one obtuse angle
  10. 19. the angle across from a side
  11. 20. motion when an object is moved from one location to another and the size and shape of the object have not changed
  12. 22. a triangle with three acute angles