Math vocab unit 2 part 2 review

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Across
  1. 3. The sum of the measures of the interior angles of a triangle is 180°
  2. 4. the angles inside a polygon
  3. 9. rise over run
  4. 11. the perpendicular segment from a vertex to the opposite side or to the line that contains the opposite side
  5. 12. a triangle with three acute angles
  6. 13. an operation that moves or changes a geometric figure in some way to produce a new figure called an image
  7. 16. all sides the same length
  8. 19. two sides the same length
  9. 20. a segment from the vertex to the midpoint of the opposite side
  10. 21. a four sided closed figure
  11. 23. the relationship involving two sides and the angle they form
Down
  1. 1. a triangle with three equal angles
  2. 2. a triangle with one obtuse angle
  3. 5. the angles that form linear pairs with the interior angles
  4. 6. a segment that connects the midpoints of two sides of a triangle.
  5. 7. a triangle with one right angle
  6. 8. the side across from an angle
  7. 10. in an isosceles triangle the two angles adjacent to the base
  8. 14. motion changes the position of the figure without changing the size or shape
  9. 15. a quadrilateral with two pairs of parallel sides
  10. 17. the angle across from a side
  11. 18. no sides the same length
  12. 22. A three sided closed polygon