Across
- 4. / a quadrilateral plane figure having two parallel and two nonparallel sides
- 7. / an angle less than 90 degrees but greater than 0 degrees
- 11. / a polygon having eight angles and eight sides
- 12. / a polygon with 5 sides and 5 angles
- 14. / a triangle which has two sides equal
- 16. / a closed plane curve consisting of all points at a given distance from a point within it called the center
- 17. / a parallelogram having four right angles
- 18. / the part of a straight line considered as originating at a point on the line and as extending in one direction from that point
- 19. / the intersection point of two sides of a plane figure
Down
- 1. / all properties of parallelograms, rectangles, and rhombi
- 2. a square is also a rectangle
- 3. / a position in space
- 5. Line Segments / two line segments which cross to form 90 degree angles
- 6. /line segments that do not intersect
- 8. / an equilateral parallelogram having oblique angles
- 9. / one part of a line
- 10. / a polygon with four sides
- 13. / a 90-degree angle
- 15. / an angle greater than 90 degrees but less than 180 degrees