Across
- 5. An angle with a measure greater than 0° and less than 90°.
- 9. A vertex of an angle is the common endpoint of the rays forming an angle.
- 10. Two angles are complementary if the sum of their measures is 90°.
- 15. The scale that gives the ratio that compares the measurements of a drawing or model to the measurements of the real object.
- 18. A drawing that is used to represent objects that are too large or too small to be drawn at actual size.
- 20. A triangle having one right angle.
- 21. Two angles are supplementary if the sum of their measures is 180°.
- 26. A line segment that connects two nonconsecutive vertices.
- 28. A triangle with no congruent sides.
- 30. A triangle having one obtuse angle.
- 31. Having the same measure.
Down
- 1. A triangle having three congruent sides.
- 2. A model used to represent objects that are too large or too small to be built at actual size.
- 3. An angle that measures exactly 90°.
- 4. A flat surface of a polyhedron.
- 6. The point where three or more faces of a polyhedron intersect.
- 7. Opposite angles formed by the intersection of the two lines. Vertical angles are congruent.
- 8. Angles that have the same vertex, share a common side, and do not overlap.
- 11. An angle that measures exactly 180°.
- 12. Sides with the same length.
- 13. A polyhedron with one base that is a polygon and three or more triangular aces that meet at a common vertex.
- 14. A triangle having three acute angles.
- 16. Any angle that measures greater than 90° but less than 180°.
- 17. A scale written as a ratio without units in simplest form.
- 19. A triangle having at least two congruent sides.
- 22. A two-dimensional flat surface that extends in all directions.
- 23. A polyhedron with two parallel congruent faces called bases.
- 24. The section of a solid and a plane.
- 25. A figure with three sides and three angles.
- 27. The line segment where two faces of a polyhedron intersect.
- 29. One of the two parallel congruent faces of a prism.