Basic Geometrical Concepts

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960
Across
  1. 2. - A parallelogram with four equal sides.
  2. 5. - The vertical coordinate.
  3. 9. - The branch of mathematics concerning the properties and relations of points, lines, surfaces, and solids.
  4. 10. - Figures with the same shape but different sizes.
  5. 11. - Measures the steepness of a line, rise over run.
  6. 13. - An angle less than 90 degrees.
  7. 14. - A theorem that states A^2 + B^2 = C^2 for right triangles.
  8. 19. - Two angles whose sum is 90 degrees.
  9. 22. - A unit of measure for angles.
  10. 23. - Identical in form and size in geometry.
  11. 25. - The horizontal axis in a coordinate plane.
  12. 28. plane - A coordinate system divided by x and y axes.
  13. 30. - All of its sides are pointing or protruding outwards.
  14. 31. - A corner point of a polygon or polyhedron.
  15. 32. - The horizontal coordinate.
  16. 33. - One of the four regions of the coordinate plane.
  17. 36. - The inside space of a figure.
  18. 38. of origin - The (0,0) starting point on a Cartesian plane.
  19. 40. - A triangle with at least two equal sides (legs).
  20. 41. - A line segment from the center to the circumference of a circle or sphere.
  21. 43. - A four-sided polygon.
  22. 48. - A line that touches a curve at a point without crossing over.
  23. 50. - Two angles that are next to each other.
  24. 52. - An angle greater than 90 degrees but less than 180 degrees.
  25. 55. -One or more interior angles are more than 180°
  26. 57. - All sides are equal in this type of triangle.
  27. 58. - Identical in all parts; also a type of geometric distribution.
  28. 59. - A segment that connects two non-adjacent vertices of a polygon.
  29. 60. - To divide into two equal parts.
Down
  1. 1. - The point that divides a segment into two congruent segments.
  2. 3. - The side of a geometric figure from which the altitude is drawn.
  3. 4. - The side opposite the right angle in a right triangle.
  4. 6. - A formula that states: √((x2 - x1)^2 + (y2 - y1)^2) calculates this between two points.
  5. 7. - The side in the ending position of an angle in standard position.
  6. 8. - The measure of the extent of a surface.
  7. 12. - A quadrilateral with two distinct pairs of adjacent sides that are equal.
  8. 15. - Angle that exactly has 90 degrees.
  9. 16. - Two angles whose sum is 180 degrees.
  10. 17. - A 3D shape with a circular base and a point called the apex.
  11. 18. - A straight one-dimensional figure having no thickness and extending infinitely in both directions.
  12. 20. - The vertical axis in a coordinate plane.
  13. 21. - A figure formed by two rays with a common endpoint.
  14. 24. - The measurement or extent of something from side to side.
  15. 26. - A method of replacing variables with values or expressions.
  16. 27. - A line that never intersects, always the same distance apart.
  17. 29. - An assumed truth in geometry, without proof.
  18. 34. - A perpendicular segment from a vertex to the line containing the opposite side.
  19. 35. - Intersecting lines forming right angles.
  20. 37. - Opposite angles formed by two intersecting lines.
  21. 39. - A six-sided polygon.
  22. 42. - Flat figures like squares and circles in geometry.
  23. 44. - A proven principle in mathematics.
  24. 45. - A math tool used for measuring or drawing angles.
  25. 46. - A triangle with all sides of different lengths.
  26. 47. - A flat surface of a 3D shape.
  27. 49. - A formal way of writing a proof.
  28. 51. - The line segment where two faces of a polyhedron meet.
  29. 53. - A comparative relation between two quantities.
  30. 54. - The total distance around a polygon.
  31. 56. - All angles are equal in this polygon.