Semester 1:Ch. 1-8 Vocab

12345678910111213141516171819202122232425262728293031323334353637383940414243444546
Across
  1. 1. A term for a location on a coordinate plane
  2. 4. Phrase following "If" in an if-then statement
  3. 7. Triangle that has a right angle
  4. 8. Segment that connects any two nonconsecutive vertices in a polygon
  5. 10. Polygons that have the same shape but may be different in size
  6. 12. Points that lie on the same plane
  7. 13. A related conditional statement in which the hypothesis and conclusion of the conditional are exchanged
  8. 14. Two angles that lie on the same plane, have a common vertex, a common side, but no interior points
  9. 15. Quadrilateral with exactly one pair of parallel sides
  10. 17. Line, segment, or ray that passes through the midpoint of the side and is perpendicular to that side
  11. 23. A term describing points on the same line
  12. 25. Term for segments with equal measure
  13. 29. Line that intersects two or more lines in a plane at different points
  14. 30. Angle with a measure of less than 90 degrees
  15. 31. Angle formed by one side of a triangle and the extension of another side
  16. 33. Triangle in which one angle measures greater than 90 degrees
  17. 34. Quadrilateral that is both a rectangle and a rhombus
  18. 36. Angle between the line of sight and the horizontal when an observer looks upward
  19. 37. Closed figure whose sides are all segments
  20. 42. Trapezoid that has congruent legs
  21. 43. form of a linear equation in which y= m(x)+b
  22. 45. Sum of a polygon's side lengths
  23. 46. Segment whose endpoints are a vertex of a triangle and the midpoint of the side opposite the vertex
Down
  1. 2. Study that involves triangle measurement
  2. 3. Has two endpoints
  3. 5. Convex polygon in which all sides are congruent and all angles are congruent
  4. 6. Made up of points and has no thickness or width
  5. 9. Acute triangle with all angles congruent
  6. 11. Triangle in which no two sides are congruent
  7. 16. Interior angles of the triangle not adjacent to a given exterior angle
  8. 18. Triangle in which all sides are congruent
  9. 19. Term describing lines that form right angles
  10. 20. Reasoning that uses specific examples to reach a prediction
  11. 21. Triangle in which at least two sides are congruent
  12. 22. Parallelogram with four right angles
  13. 24. A part of a line with one endpoint that extends indefinitely in one direction
  14. 26. Boundless, three-dimensional set of all points that can contain lines and planes
  15. 27. Coplanar lines that do not intersect
  16. 28. Quadrilateral with parallel opposite sides
  17. 32. Point halfway between endpoints that of a segment
  18. 35. Formed by two non-collinear rays and has a common endpoint
  19. 38. equation stating that two ratios are equal
  20. 39. Quadrilateral with all four sides congruent
  21. 40. Comparison of two quantities that can be expressed in forms such as "a to b" and "a:b"
  22. 41. Segment of a triangle vertex to the opposite line and is perpendicular to that line
  23. 44. Flat surface made up of points that has no depth and extends indefinitely in all directions