Geometry

2. Lines are ________ if and only if they have equal slope.
4. a rigid transformation that takes one point to another.
6. a shape that is always similar to itself no matter the size.
7. the center of a triangle made by using three Angle bisectors.
9. When a shape is dilated the ______ are always congruent.
10. when a shape has all its corners touching the circumference of a circle, it is _________.
12. A theorem that says if two parallel lines are cut by a transversal, then the lines have to be parallel.
13. making a straight cut through a shape to expose another surface.
14. A theorem that says in a triangle, the three angles always sum up to 180 degrees.

1. a factor you apply to the original shape resulting in the outcome being a larger or smaller shape.
2. The name of a Greek Philosopher known for creating Pythagorean Theorem.
3. A type of triangle with two congruent base angles.
5. Vertical angles are always _________.
8. Lines are perpendicular only if their slopes are opposite ___________.
11. a change to the size of a figure.