Geometry Final

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Across
  1. 2. all sides and angles are the same
  2. 7. part of the circumference of a circle or other curve
  3. 8. any angle under 90 degrees
  4. 10. Section the intersection of a 3d solid and a plane
  5. 11. a line segment joining a vertex to the midpoint of the opposite side
  6. 12. a angle taht equals 90 degrees
  7. 16. half the diameter of the
  8. 18. the point in which the three medians of the triangle intersect
  9. 19. a chord that goes straight through the center of the circle
  10. 20. lines that will bever intersect and are the same distance from one another always
  11. 21. he measure of the angle formed by the two rays or arms at a common vertex
  12. 23. A four sided figure
Down
  1. 1. a line that passes through two lines in the same plane at two distinct points
  2. 3. next to or adjoining something else.
  3. 4. a angle that is greater than 90 degrees
  4. 5. the distance around a circle
  5. 6. half a sphere and its circular base
  6. 9. any pair of angles each of which is on the same side of one of two lines cut by a ------transversal and on the same side of the transversal.
  7. 10. A chord of a circle is a straight line segment whose endpoints both lie on a circular arc.
  8. 13. a straight line or plane that touches a curve or curved surface at a point
  9. 14. Another special type of polyhedron. Have 1 base the other faces are called lateral faces
  10. 15. a symmetrical three-dimensional contained by six equal squares
  11. 17. the total area that the surface of a shape takes up
  12. 22. the intersection of the sides of the shape