Across
- 3. the shape has width, height and depth
- 4. A two-dimensional closed figure of three or more line segments
- 6. the shape has width and height
- 8. two shapes that are the same except for size
- 11. An angle with a measure greater than 0° and less than 90°
- 12. how steep or flat a line is
- 16. A line that intersects two or more other lines on a flat surface
- 18. a2+b2=c2
Down
- 1. 90 degrees
- 2. lines that run up and down
- 5. a triangle with all the angles equaling 180 degrees.
- 7. the perimeter of a circle
- 9. angles that equal 180 degrees
- 10. A transformation across a line that produces a mirror image of the original shape.
- 13. two lines going in the same direction but never touching
- 14. where the line crosses at the y-axis
- 15. where the line crosses at the x- axis
- 17. A triangle where all three angles measure less than 90°.
- 18. the ratio for the circumference of a circle
