Geometry Project

4. [(p q) (q r)] (p r)
5. If two angles of one triangle are congruent to two angles in a second triangle, then their third angles are congruent.
6. A triangle with no congruent sides.
8. [(p q) p] q
10. Corresponding parts of congruent triangles are congruent.
11. The sum of the measure of the angles in a triangle is 180.
13. Lines that do not intersect and are not parallel
14. m ABD + m DBC = m ABC
16. If two angles are supplementary then they form a _______ _____.
17. y=mx+b
19. Two nonvertical lines have the same slope iff they are _______.

1. The postulate used when you have the measure of two angles and one side (4.3).
2. The postulate used when you have the measure of two angles and one side (4.4).
3. Through a point not on a line, there is only one line parallel to the given line.
5. The measure of an exterior angle of a triangle is the sum of the measures of the two remote interior angles.
7. A triangle with two congruent sides.
9. A triangle is equiangular iff it is ______.
12. The postulate used when proving all sides are congruent in a triangle.
15. The postulate used to prove two triangles' congruency when you have the measure of one angle and two sides.
18. The acute angles of a right triangle are complementary.