Geometry crossword

1. lesser then 90 degrees more then 0 degrees
3. rectangle with all 4 sides the same
5. 5 sides 5 angles
6. intersection point
7. a parallelogram having four right angles
10. a quadrilateral having both pairs of opposite sides parallel to each other
11. a polygon having eight angles and eight sides
13. an equilateral parallelogram having oblique angles
14. a polygon with four sides

2. a continuous extent of length
4. internal angle equal to 90 degree
8. a closed plane curve consisting of all points at a given distance from a point within it called the center
9. extending from the center of the circle
10. a position in space
12. the line segment between two points on a given curve