Across
- 2. A triangle which has two sides equal
- 4. An angle less than 90 degrees but greater than 0 degrees
- 9. An equilateral parallelogram having oblique angles
- 11. Two line segments which cross 90 degree angles.
- 16. A triangle with one internal angle equal to 90 degrees
- 18. one part of a line
- 21. A position in space
- 23. line segments that cross each other
- 25. Line segments that don´t intersect
- 27. A closed plane curve consisting of all points at a given distance from a point within it called the center
- 28. A polygon that has six sides and six angles
Down
- 1. A polygon having eight angles and eight sides
- 3. A triangle with all sides equal and all angles equal
- 5. A polygon with four sides.(Note: squares,rectangles, and trapezoids)
- 6. A straight line extending from the center of a circle or sphere to the circumference or surface
- 7. A rectangle having all four sides of equal length
- 8. A curve that is continuous and has endpoints that meet at the same point
- 10. An angle greater than 90 degrees but less than 180 degrees
- 12. A polygon with 5 sides and 5 angles
- 13. A 90 degree angle
- 14. A continuous extent of length
- 15. The intersection point of two sides of a plane figure
- 17. A straight line passing through the center of a circle or sphere and meeting the circumference or surface at each end
- 19. A triangle having three unequal sides and angles
- 20. A quadrilateral plane figure having two parallel and two nonparallel sides
- 22. The part of a straight line considered as originating at a point on the line and as extending in one direction from that point
- 24. The line segment between two points on a given curve
- 26. A parallelogram having four right angles.(Note: a square is also a rectangle)