Across
- 1. parallelogram with four congruent sides
- 5. when the hypothesis and the conclusion is switched
- 10. the side opposite the right angle in right triangle
- 12. a statement that follows immediately from a theorem
- 13. quadrilateral with two pairs of adjacent sides congruent and no opposite sided congruent
- 16. a line that intersects two coplanar lines at two distinct points
- 17. lines two lines that intersect to form right angles
- 18. a line that intersects a circle at two points
- 19. the space that a figure occupies
- 20. when three or more lines intersect in one point
- 21. a transformation whose preimage and image are similiar
Down
- 2. a segment connecting the midpoints of two sides
- 3. two figures that have the same shape but not necessarily the same size
- 4. a statement that two ratios are equal
- 6. angle an angle whose vertex is the center of the circle
- 7. the distance around a circle
- 8. formed by two rays with the same endpoint
- 9. a segment whose endpoints are on a circle
- 11. all sides congruent
- 14. another name for an if-then statement
- 15. an isometry in which a figure and its image have opposite orientations
- 17. a three-dimensional figure whose surface are polygons