Geometry crossword

4. A shape which has 6 sides.
5. A shape which has 8 sides.
7. An angle less than 180 but more than 90 degrees.
12. The space between two intersecting lines.
14. An angle less than 90 but more than 0 degrees.
16. A parallelogram with all equal sides.
17. A shape which has 5 sides.
18. An angle formed on the outer side of two parallel lines when a third line intersects the 2 lines.
20. A round figure with no sides and an equidistant center.

1. An angle which exactly measures 90 degrees.
2. A polygon with 4 sides.
3. A triangle with an angle that is equal to 90 degrees.
6. A shape with parallel and equal opposite sides.
8. parallelogram with a right angle.
9. branch of mathematics that deals with points, lines, planes and solids and examines their
10. A parallelogram having 4 right angles.
11. A shape with all equal sides and angles.
13. A shape which has 7 sides.
15. a prism where all sides are squares.
19. A line from the equidistant center of the circle to the surface.