Geometry Vocabulary

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Across
  1. 1. The sum of all the sides of a shape (the distance around a shape)
  2. 3. ______ motion is another term for reflections, rotations and translations (but not dilations)
  3. 5. The ratio is adjacent/hypotenuse
  4. 6. Has magnitude and direction
  5. 11. A 3D shape that is created when rotating a right triangle on its leg 360 degrees
  6. 13. Half of a sphere
  7. 19. The line created in a triangle connecting the midpoint of a side to the opposite vertex
  8. 22. A term used when shapes are similar and you can cross multiply
  9. 23. Lines that are not parallel, perpendicular, or intersecting
  10. 25. A 3D circle
  11. 27. The distance from the center of a circle to the outside
  12. 30. A line or plane that divides a line at its midpoint and creates two congruent segments
  13. 31. The point at the angle i.e. B is the vertex of angle ABC
  14. 34. Change or moving of a shape
  15. 35. A single endpoint that is extended forever
  16. 36. Lines with negative reciprocals
  17. 41. Angles that add to 90 degrees
  18. 42. Angles that are between 91 degrees and 180 degrees
  19. 43. The space inside a 3D shape
  20. 46. A transformation used to make an object smaller or bigger
  21. 47. Points on the same line
  22. 48. The distance from one edge to the other edge of a circle that goes through the center
  23. 50. Angles that equal 90 degrees
  24. 52. A transformation that slides every point in the same direction and the same amount
  25. 56. Type of Triangle that has no congruent sides
  26. 57. A flat surface that is composed of three or more noncolinear points
  27. 58. A shape with 7 sides
  28. 59. To draw an angle, shape, or line using a compass and straightedge
  29. 60. A line that cuts through parallel lines
  30. 61. _______ polygon is when all sides and angles are equal
Down
  1. 2. Type of triangle that has two congruent sides
  2. 4. A formula used to find the length of a triangle
  3. 5. A shape with no sides
  4. 7. Angles that are between 181 and 360 degrees
  5. 8. A shape with 6 sides
  6. 9. A shape with 4 sides
  7. 10. Part of a line that has two endpoints
  8. 12. the ratio is opposite/adjacent
  9. 14. A parallelogram with four congruent sides and right angles
  10. 15. the ratio is opposite/hypotenuse
  11. 16. A line is drawn connecting the midpoints of a triangle
  12. 17. What is formed when adjacent angles are supplementary
  13. 18. Another term for height
  14. 20. Angles that add to 180 degrees
  15. 21. The space inside a shape
  16. 24. The center of a line
  17. 26. A transformation that moves an object around a point
  18. 28. Angles that are next to each other
  19. 29. A shape that both opposite sides are parallel and congruent
  20. 32. Term for when things are equal
  21. 33. The distance around a circle
  22. 37. A transformation that flips a shape over a line
  23. 38. The side of a right triangle that is across from the right angle
  24. 39. A parallelogram that has four right angles
  25. 40. Type of Triangle that has all congruent sides
  26. 44. A shape with 5 sides
  27. 45. Angles that are across from each other when two lines intersect
  28. 49. Angles that are less than 90 degrees
  29. 50. A parallelogram that has four congruent sides
  30. 51. A line drawn connecting opposite angles in a quadrilateral
  31. 53. If two figures are proportional
  32. 54. Lines with the same slope
  33. 55. Rise over run (how steep a line is)