Geometry
Across
- 7. An angle that measures less than ninety degrees.
- 9. The side opposite the right angle in a right triangle.
- 10. A flat surface that extends forever in all directions.
- 12. A straight path that extends forever in both directions.
- 13. An angle that measures exactly ninety degrees.
- 15. A polygon with six sides.
- 16. A triangle with at least two equal sides.
- 18. A part of a line with two endpoints.
- 21. Two angles whose measures sum to one hundred eighty degrees.
- 22. The amount of space inside a two-dimensional shape.
- 23. The common endpoint of an angle or a corner of a polygon.
- 28. The distance from the center of a circle to any point on its edge.
- 29. A polygon with four sides.
- 30. A polygon with five sides.
- 31. Lines that intersect to form right angles.
- 32. A line that intersects two or more other lines.
Down
- 1. Two angles whose measures sum to ninety degrees.
- 2. A polygon with three sides.
- 3. A triangle with no equal sides.
- 4. Lines in the same plane that never intersect.
- 5. The distance around the outside of a circle.
- 6. A closed plane figure made of three or more line segments.
- 8. An angle that measures exactly one hundred eighty degrees.
- 10. The distance around the outside of a shape.
- 11. Formed by two rays with a common endpoint.
- 14. Figures that have the same shape and size.
- 17. A polygon with eight sides.
- 19. The distance across a circle through its center.
- 20. Opposite angles formed by intersecting lines that are always congruent.
- 22. Two angles that share a common vertex and side but no interior points.
- 24. A triangle with three equal sides.
- 25. A location in space with no dimensions.
- 26. An angle that measures more than ninety but less than one hundred eighty degrees.
- 27. Figures that have the same shape but different sizes.
- 33. A part of a line that starts at one point and goes forever in one direction.