Across
- 2. the measure of any side or angle is equal to itself
- 11. add to 180 degrees
- 13. form a straight line together
- 14. the number of square units needed to fill up a region on a flat surface
- 15. have equal measure
- 16. equal to the measure of the intercepted arc
- 17. add to 90 degrees
- 18. the distance around a 2-dimensional object's exterior
- 19. a point that divides a line segment into two parts of equal length
- 20. theorem used for right triangles
Down
- 1. the study of geometry on a coordinate grid
- 3. correspond to the same position
- 4. the ratio between any pair of corresponding sides in similar figures
- 5. half the measure of intercepted arc
- 6. a rigid transformation that involves sliding a figure to a new location
- 7. ratio of corresponding sides
- 8. the sum of the three angles in any triangle is 180 degrees
- 9. a segment that connects the midpoints of any two sides of a triangle
- 10. a rigid transformation that involves flipping a figure over the line of reflection
- 12. set of points a fixed distance from a center and is defined by a central angle