1. Statements Reasons Page 38 1. Given 2. A segment bisector divides a segment into two congruent segments 5. CPCTC 3. Vertical angles are congruent 6. If two line are cut by a transversal so that the alternate interior angles are congruent then the lines are parallel 7. A quadrilateral with one pair of sides both congruent and parallel is a parallelogram I I II III V V

2. Lesson 9 – Properties of Parallelograms II

3. Page 39

4. Quadrilateral Parallelogram Rectangle Rhombus Square Trapezoid Isosceles Trapezoid Page 40

5. True False, there exists a parallelogram that is not a rectangle. Example False, there exists a rectangle that is not a square. Example

6. Page 41 Statements Reasons 1. Given 2. Opposite sides of a rectangle are congruent 7. CPCTC 3. A rectangle contains four right angles 4. All right angles are congruent 5. Reflexive Postulate I I X

7. Page 42 Statements Reasons 1. Given 2. Consecutive sides of a rhombus are congruent 4. The diagonals of a parallelogram bisect each other 8. If two angles are supplementary and congruent they must be right angles 7. Angles on a line 3. Reflexive 6. CPCTC 9. Perpendiculars form right angles I I X II E

8. Homework – Page 43