Potm

2. a triangle which has two sides equal
4. a rectangle having all four sides of equal length
13. line segments that cross each other
15. a quadrilateral plane figure having two parallel and two nonparallel sides
17. a quadrilateral having both pairs of opposite sides parallel to each other
18. a 90 degree angle
19. an angle less than 90 degrees but greater than 0 degrees
20. one part of a line
21. the intersection point of two sides of a plane figure
23. a straight line extending from the center of a circle or sphere to the circumference or surface

1. a symbol and placeholder for a quantity that may change
3. a triangle having three unequal sides and angles
5. a polygon having six sides and six angles
6. a straight line passing through the center of a circle or sphere and meeting the circumference or surface at each end
7. a triangle with all sides equal and all angles equal
8. a polygon with 5 sides and 5 angles
9. a position in space
10. a polygon having eight angles and eight sides
11. a triangle with one internal angle equal to 90 degrees
12. a parallelogram having four right angles
14. a continuous extent of length
16. a closed plane curve consisting of all points at a given distance from a point within it called the center
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