Geometry Terms 2

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Across
  1. 2. a solid figure bounded by plane polygons or faces
  2. 3. the quality of being alike
  3. 6. an angle between 90 and 180 degrees
  4. 8. ratio of the length of the side opposite the given angle to the length of the hypotenuse of a right-angled triangle
  5. 10. a four-sided polygon
  6. 12. extending or lying across
  7. 16. a polygon with four equal sides and four right angles
  8. 18. a quantity obtained by the addition of a group of numbers
  9. 20. a triangle with one right angle
  10. 21. either of two equal and opposite angles formed by the intersection of two straight lines
  11. 22. relation with respect to comparative quantity or magnitude
  12. 24. triangle that contains an obtuse interior angle
  13. 27. a quadrilateral whose opposite sides are parallel and equal
  14. 28. a straight line from the center to the perimeter of a circle
  15. 29. a parallelogram with four right angles
  16. 30. the 90 degree angle between two perpendicular lines
  17. 31. a closed plane figure bounded by straight sides
  18. 32. a straight line that intersects a curve at two or more points
Down
  1. 1. a line enclosing a plane area
  2. 2. a polyhedron having a polygonal base and triangular sides
  3. 4. a polygon with all sides and all angles equal
  4. 5. a particular aspect of life or activity
  5. 7. a three-sided polygon
  6. 8. one of several parts that fit with others to make a whole
  7. 9. a triangle with no two sides of equal length
  8. 11. a polyhedron with two congruent and parallel faces
  9. 12. a quadrilateral with one pair of parallel sides
  10. 13. the extent of a 2-dimensional surface enclosed within a boundary
  11. 14. having four right angles
  12. 15. a line that touches a curve at only one point
  13. 17. being everywhere equidistant and not intersecting
  14. 18. be at an angle
  15. 19. a group of nearly parallel lines of electromagnetic radiation
  16. 23. relation with respect to comparative quantity or magnitude
  17. 25. the act of changing in form or shape or appearance
  18. 26. a round three-dimensional closed surface
  19. 30. a parallelogram with four equal sides