geometry

3. Angle, an angle less than 90 degrees but greater than 0 degrees
5. a straight line extending from the center of a circle or sphere to the circumference or surface
10. Line Segments, two line segments which cross to form 90 degree angles
12. Line Segments, line segments that cross each other
14. a polygon with 5 sides and 5 angles
16. a polygon having eight angles and eight sides
18. a polygon with four sides
19. quadrilateral having both pairs of opposite sides parallel to each other
20. Triangle, a triangle having three unequal sides and angles
24. Triangle, a triangle with all sides equal and all angles equal

1. a polygon having six sides and six angles
2. a parallelogram having four right angles
4. a continuous extent of length
6. a rectangle having all four sides of equal length
7. a quadrilateral plane figure having two parallel and two nonparallel sides
8. Triangle, a triangle with one internal angle equal to 90 degrees
9. the intersection point of two sides of a plane figure
11. Segment, one part of a line
13. Triangle, a triangle which has two sides equal
15. Line Segments, line segments that do not intersect
17. the line segment between two points on a given curve
19. a position in space
21. a closed plane curve consisting of all points at a given distance from a point within it called the center
22. Angle, an angle greater than 90 degrees but less than 180 degree
23. Angle, a 90 degree angle
25. an equilateral parallelogram having oblique angles