Across
- 3. the measure of the amount of space inside a solid figure
- 6. a set of values that show an exact position
- 7. the size of a surface
- 11. the continuous line forming a boundary of a closed figure
- 13. a triangle that has two equal sides and a base
- 14. each angular point of a polygon, polyhedron, or other figure
- 15. the total area of a surface of a 3-dimensional object
- 16. portion of a line that starts at a point and goes on forever
Down
- 1. a plane figure with at least three straight sides and angles
- 2. angle larger than 90 degrees
- 4. a triangle in which all three sides are equal
- 5. a flat surface that is infinitely large and with zero thickness
- 8. a segment that has two end points
- 9. angle less than 90 degrees
- 10. two lines that are at a right angle(90 degrees) to each other
- 12. an angle that is exactly 90 degrees