Angles and Shapes

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Across
  1. 6. a flat surface made up of points that has no depth and extends indefinitely in all directions
  2. 7. the rays of an angle
  3. 8. the distance around a circle
  4. 11. in space, the set of all points that are a given point, called the center
  5. 12. the intersection of two non-collinear rays at a common endpoint. The rays are called sides and the common endpoint is called a vertex
  6. 13. the number of square units needed to cover a surface
  7. 17. two non adjacent angles formed by two intersecting lines
  8. 19. angles, two angles with measures that have the sum of 90 degrees
  9. 21. for any two points A and B on a line there is another point C between A and B if and only if A, B, and C are collinear and AC+CB=AB
  10. 22. a location
  11. 23. points that lie in the same plane
  12. 24. angle, an angle with a degree measure of 90
  13. 25. a boundless three-dimensional set of all points
  14. 27. is made up of points and has no thickness or width
  15. 28. angle, two angles that lie in the same plane, have a common vertex and a common side, but no common interior points
  16. 29. the common endpoint of an angle
  17. 30. a unit of measure used in measuring singles and arcs
Down
  1. 1. point that lie on the same line
  2. 2. a set of points common to two or more geometric features
  3. 3. the two parallel congruent faces of a polyhedron
  4. 4. angle, two angles with measures that have a sum of 180 degrees
  5. 5. the sum of the lengths of the sides of a polygon
  6. 7. bisector, a segment, line, or plane that intersects a segment at its midpoint
  7. 9. term, words, usually readily understood, that are not formally explained by means of more basic words and concepts
  8. 10. a part f a line. It has one endpoint and extends indefinitely in one direction.
  9. 14. a line that connects two nodes in a network
  10. 15. segment, a measurable part of a line that consists of two points, called endpoints, and all of the points between them
  11. 16. area, the sum of the areas of all faces and side surfaces of a three-dimensional figure
  12. 18. having the same measures
  13. 20. a measure of the amount of space enclosed by a three-dimensional figure
  14. 26. angle, an angle with degree measure greater than 90 and less than 180
  15. 28. angle, an angle with a degree measure less than 90