Across
- 1. If all 3 sides of a triangle are proportional to all 3 sides of another triangle, then the triangles are similar
- 6. If three parallel lines intersect two transversals, then they divide the transversals proportionally
- 8. The distance around a circle
- 10. A line that intersects a circle in two points
- 11. If a central angle of a circle is less than 180 degrees, then it is a ______
- 16. a parallelogram is a rhombus iff each diagonal bisects a pair of opposite angles
- 18. the set of all possible outcomes in a probability experiment.
- 19. Invalid congruence theorem used for triangle congruence
- 23. If two lines are cut cut by a transversal such that the alternate interior angle are congruent, then the lines are parallel
- 24. 2 examples of these are squares and some parallelograms
- 25. The sum of the measures of the interior angles of a convex n-gon is 180(n-2)
- 27. a segment whose endpoints are in a circle.
- 28. The sum of a triangles angles is equal to _____
- 29. A segment in a triangle that shows the height of the triangle
- 30. If two angles of one triangle are congruent to two angles of another triangle, then the triangles are similar
- 31. A line in the plane of a circle that intersects the circle at one point
Down
- 2. If a trapezoid has a pair of congruent base angles, then the trapezoid is isosceles
- 3. the opposite angles are congruent in these
- 4. A polygon whose vertices all lie on a cricle
- 5. A(n) __________ shows the probabilities of the outcomes of a binomial experiment
- 7. A(n) _______ is an angle whose vertex is on a circle and whose sides contain chords of the circle
- 9. A(n) _____ is a solid that is bounded by polygons called faces
- 12. A segment of a triangle that is parallel to one side and bisects the other two sides
- 13. If a central angle of a circle is more than 180 degrees, then it is a ______
- 14. Squares are full of these
- 15. when to straight lines intersect, the angles formed by the intersection are called _____
- 17. If 2 sides of one triangle are proportional to 2 sides of another triangle and the included angles are congruent, then the triangles are similar.
- 20. a quadrilateral is a square iff it is a rhombus and a rectangle
- 21. If a quadrilateral is a kite, then its diagonals are perpendicular
- 22. If three sides of one triangle are congruent to 3 sides of another triangle, then the triangles are congruent.
- 26. A region formed by the outside of the circle and two radii