Math Vocab Chapter 10

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Across
  1. 1. figures that have the same size and shape
  2. 5. all angles congruent
  3. 7. two lines in a plane that never intersect
  4. 8. angles on opposite sides of the transversal and inside the parallel lines
  5. 11. the parts of congruent triangles that "match"
  6. 14. when you flip a figure over a line, creating a mirror image regular polygon a polygon that is equilateral and equiangular
  7. 15. if the sum of the measures of two angles is 180 degrees, the angles are ____
  8. 18. parallelogram with four congruent sides
  9. 21. Two angles that have the same vertex, share a common side, and do not overlap
  10. 23. 6 sides
  11. 26. lie inside of the parallel lines
  12. 29. lines that intersect to form a right angle
  13. 31. a line segment perpendicular to the bases with endpoints on the base and the side opposite the base
  14. 32. a line segment in a polygon that joins two nonconsecutive vertices
  15. 33. when you slide a figure from one position to another without turning it
  16. 34. The line that crosses the two parallel lines
Down
  1. 2. all sides congruent
  2. 3. quadrilateral with one pair of opposite sides parallel trapezoid A=1/2h(a+b) is the formula for a ____
  3. 4. a quadrilateral with both pairs of opposite sides parallel and congruent
  4. 6. angles on opposite sides of the transversal and outside the parallel lines
  5. 9. 1/2(bh) is the formula for a ____
  6. 10. in the same position on the parallel lines in relation to the transversal
  7. 12. any side of the parallelogram
  8. 13. lie outside the parallel lines
  9. 16. a simple, closed figure formed by three or more line segments
  10. 17. parallelogram with four congruent sides and 4 right angles
  11. 19. the length of an altitude
  12. 20. a closed figure with four sides and four vertices. ex) squares, rectangles, trapezoids
  13. 22. when the sum of two angles is 90 degrees, the angles are ____
  14. 24. of symmetry a line that is drawn in the center of a figure that creates two matching halves
  15. 25. 7 sides
  16. 27. a movement of a geometric figure
  17. 28. when you turn a figure around a fixed point
  18. 29. A=bh is the formula for a ____
  19. 30. parallelogram with four right angles