Across
- 2. Angles two non adjacent angels formed by two intersecting lines
- 5. the amount of space that a substance or object occupies
- 9. the point halfway between the endpoints of a segment
- 11. closed figure, sides are all segments.
- 12. Pir^2 r=...
- 15. Angle < 90 degrees
- 16. 3 sided figure
- 18. a unit of measure used in measuring angles and arcs
- 19. the common endpoint
- 20. Lines that never intersect
- 25. A quadrilateral that has at least one pair of parallel sides
- 28. Part of the circumference of a circle
- 30. A solid or hollow object that tapers from a circular or roughly circular base to a point.
- 31. A three-dimensional figure with identical equilateral squares as faces
- 32. A measure of the total area that the surface of the object occupies.
- 34. when all sides of a shape are the same length.
- 37. A special type of rectangle that has equilateral (same length) sides and parallel opposite sides.
- 38. 7 sided figure
- 40. A three-dimensional figure on which the faces are triangular and converge to a single point at the top.
- 42. A two-dimensional, closed, four-sided figure with four right angles.
- 44. the branch of mathematics concerned with the properties and relations of points, lines, surfaces, solids, and higher dimensional analogs.
- 47. A line with two endpoints.
- 48. a precise location on a plane.
- 49. describes the direction and steepness of the line.
- 50. extends in 1 direction infinitely
- 51. divides an angle into 2 equal parts
Down
- 1. the sum of all the sides of a polygon
- 3. 8 sided figure
- 4. points that lie on the same plane
- 6. Twice the radius of a circle
- 7. the perimeter of a circle
- 8. two angles whose measures have a sum of 180
- 10. 3.14...
- 13. formed by two non colinear rays that have a common endpoint
- 14. A 3 dimensional, round body whose surface is at all points equidistant from the center.
- 17. 5 sided figure
- 21. two angles that have a common vertex, lie on the same plane, and have a common side but no interior points
- 22. the extent or measurement of a surface
- 23. Pair a pair of adjacent angles whose non common sides are opposite rays
- 24. 2 lines which make a 90 degree angle.
- 26. A triangle with at least 2 congruent sides.
- 27. a quadrilateral with two pairs of parallel sides.
- 29. two angles whose measures have a sum of 90
- 33. Angle = 90 degrees
- 35. 4 sided figure.
- 36. a statement that is assumed to be true based on basic geometric principles.
- 37. a segment, line, or plane that intersects a segment at its midpoint
- 39. Angle > 90 degrees
- 41. extends in both directions infinitely
- 43. the measurement or extent of something from end to end.
- 45. A closed four-sided figure with parallel opposite sides.
- 46. having the same measure