Across
- 2. a three sides polygon.
- 4. a 3d figure with congruent and parallel faces.
- 5. faces and surfaces of a 3d figure.
- 7. an angle that measures exactly 180 degrees.
- 9. flat 2d surface.
- 11. a triangle with two equal sides; the angles opposite are also equal.
- 13. the line segment of a many sided figure.
- 16. a closed shape in 2d or 3d.
- 18. up/down position.
- 19. study of properties, measurement, relationship of points, lines, angles, surfaces and solids.
- 20. an angle that measures 90 degrees.
- 22. equal in size and shape.
- 23. a shape that begins and ends at the same point.
Down
- 1. a quality that something has, such as size, color, height and so on.
- 3. shapes shapes with two dimensions: length and width.
- 4. lines that are right angle (90 degrees) to each other.
- 6. put into groups based on properties.
- 7. triangle with none of the sides the same length.
- 8. sides
- 10. a closed plane figure that has 3 or more sides.
- 12. a shape with line segments that are not connected at one point.
- 14. size, sides, angles, color and/or shape.
- 15. a point where 2 line segments meet to form an angle.
- 17. two lines in a plane that do not intersect.
- 21. triangle with three equal sides and three equal angles.