Across
- 3. two lines that will never intersect.
- 5. changes the size of a shape without changing its shape or orientation.
- 8. moving a shape in a circular direction.
- 11. angles that make a straight angle together.
- 13. each of the pairs of opposite angles made by two intersecting lines.
- 16. two lines that intersect at a 90 degree angle.
- 17. the same shape and size.
- 18. Two shapes are Similar when one can become the other after a resize, flip, slide or turn.
- 19. the mirror image of a figure across the reflection line.
- 20. a type of angle that is always more than 90 degrees but less than 180 degrees.
Down
- 1. the sides that are in the same position in any different 2-dimensional shapes.
- 2. moving a shape without changing its size, shape, or orientation.
- 4. when two angles have a common vertex, and a common side.
- 6. two angles that equal 90 degrees.
- 7. the most frequent number.
- 9. the average.
- 10. a plane figure with at least three straight sides and angles, and typically five or more.
- 12. is a triangle with two equal sides.
- 14. a triangle with no even lengths.
- 15. the difference between the highest and lowest numbers.