Across
- 2. a line with a single endpoint (or point of origin) that extends infinitely in one direction
- 6. acting in conformity; something (as a cord or rope) that is long and thin and flexible
- 8. a transformation that turns a figure about a fixed point
- 11. 90 degree angle
- 12. a closed plane figure bounded by straight sides
- 15. change the position of (figures or bodies) in space without rotation
- 16. being everywhere equidistant and not intersecting
- 17. meet at a point
- 18. a flat, two-dimensional surface that extends infinitely far
- 19. the length of the closed curve of a circle
- 21. a straight line connecting two points on a curve
- 22. angles located on the same side to a transversal when parallel lines are cut by it
- 24. the same shape after translation
- 25. draw with suitable instruments and under specified conditions
- 27. the shape you get when you rotate a circle around an axis of symmetry
- 28. a region bounded by two radii and an arc lying between the radii
- 29. angle between 90 and 180 degrees
Down
- 1. a location with no size, shape, length or depth
- 3. angles facing each other when two lines are cut by a transversal
- 4. angles located opposite each other when two lines meet
- 5. the length of a line segment between the center and circumference of a circle or sphere
- 7. the part of a line that connects two points
- 9. rounded like an egg
- 10. lying in the same plane
- 13. a quadrilateral whose opposite sides are both parallel and equal in length
- 14. a line that passes through two lines in the same plane at two distinct points
- 20. coinciding when superimposed
- 21. lying on the same line
- 23. the length of a straight line passing through the center of a circle and connecting two points on the circumference
- 26. two revolutions of a right angle
- 27. having an oblique or slanting direction or position; turn or place at an angle