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