Across
- 5. Points A, B, C lie on the same plane; what type of points are they?
- 8. A triangle in which all three sides are in different lengths
- 10. An opinion or conclusion formed on the basis of incomplete information
- 11. A general proposition proved by a chain of reasoning and truths
- 14. A part of the line having one fixed point and the other point does not have an end
- 16. If m∠A=84º and m∠B=96º, then these two angles are what type of angles?
- 17. ~p → ~q
- 19. Theorem that the sum of any two sides of a triangle is greater than or equal to the third side; (a + b ≥ c)
- 20. What is the name for two angles with the sum of 90º?
Down
- 1. The theorem that the sum of the exterior angles of a polygon is 360°
- 2. From"If it rains, then they cancel school" to "If they do not cancel school, then it does not rain." What conditional statement is this?
- 3. When two lines intersect each other, then the angles opposite to each other are called?
- 4. An angle that is equal to 180 degrees
- 6. A flat surface of two dimensions
- 7. The point where three bisectors of the interior angles of a triangle intersect
- 9. Trapezoid with right angles.
- 12. Has two pairs of opposite sides that are parallel and equal.
- 13. d=√((x_2-x_1)²+(y_2-y_1)²)
- 15. Generally another word for the height of a triangle
- 18. A quadrilateral that has 2 pairs of equal-length sides and these sides are adjacent to each other