Midterm Vocabulary

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Across
  1. 5. the line that divides a shape or an object into two equal and symmetrical parts
  2. 7. the amount of space occupied by a cone in a three-dimensional plane
  3. 11. a number without fractions; an integer.
  4. 12. a number which produces a specified quantity when multiplied by itself.
  5. 13. consists of three positive integers a, b, and c, such that a² + b² = c²
  6. 14. the amount of space in a cylinder
  7. 17. a way of writing very large or very small numbers
  8. 18. the throwing back by a body or surface of light, heat, or sound without absorbing it.
  9. 22. Positive or negative, large or small, whole numbers, fractions or decimal numbers
  10. 24. Opposite sides of the transversal outside the two lines
  11. 28. movement of a body from one point of space to another such that every point of the body moves in the same direction and over the same distance, without any rotation, reflection, or change in size.
  12. 29. A theorem attributed to Pythagoras that the square of the hypotenuse of a right triangle is equal to the sum of the squares of the other two sides.
  13. 33. The √ symbol that is used to denote square root or nth roots.
  14. 34. the amount of space occupied, within the sphere
  15. 35. (of a line) intersecting a system of lines.
  16. 37. a number that is not a fraction; a whole number.
  17. 38. (of geometric figures) having the same shape, with the same angles and proportions, though not necessarily of the same size.
  18. 39. the ratio between the scale of a given original object and a new object
  19. 40. Same sides of the transversal between the two lines
Down
  1. 1. Opposite sides of the transversal between the two lines
  2. 2. a transformation, which is used to resize the object
  3. 3. the product of a rational number multiplied by itself.
  4. 4. the longest side of a right triangle, opposite the right angle
  5. 6. exactly equal shape and size
  6. 8. a quantity representing the power to which a given number or expression is to be raised, usually expressed as a raised symbol beside the number or expression.
  7. 9. a number that is equal to the number, multiplied by itself, three times
  8. 10. not expressible as a ratio of two integers, and having an infinite and nonrecurring expansion when expressed as a decimal.
  9. 15. Two angles that occupy corresponding positions
  10. 16. Same side of the transversal outside the two lines
  11. 19. the sides that are in the same position in any different 2-dimensional shapes
  12. 20. the number which produces a given number when cubed.
  13. 21. the action of rotating around an axis or center.
  14. 23. Two adjacent angles forming a straight line
  15. 25. Any number that can be written as a ratio (or fraction) of two integer
  16. 26. a positive whole number (1, 2, 3, etc.), sometimes with the inclusion of zero.
  17. 27. a two-dimension surface formed by two number lines.
  18. 30. a thorough or dramatic change in form or appearance.
  19. 31. Opposite angles with the same vertex
  20. 32. a pair of elements a, b having the property that ( a, b) = (u, v ) if and only if a = u, b = v.
  21. 36. a straight line passing from side to side through the center of a body or figure, especially a circle or sphere.