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Geometry Chapter 7 Post-Test Worksheet Problem # Concept Properties of Quadrilaterals: Verify, apply and prove properties of quadrilaterals. 1-4 Mastered Needs Retake 1. Prove the following using either a two column proof or a flow chart. Make sure to include all of your reasons to support your statements. H M Given: K is the midpoint of Μ Μ Μ Μ π½π andοπ»π½πΎ ο οπΏππΎ Prove: Μ π»π½ Μ Μ Μ β Μ Μ Μ Μ πΏπ J K L 2. Prove that if a pair of opposite sides of a quadrilateral is congruent and parallel, then the quadrilateral must be a parallelogram. For example, for the quadrilateral ABCD shown, given that Μ Μ Μ Μ π΄π΅ β₯ Μ Μ Μ Μ πΆπ· and Μ Μ Μ Μ π΄π΅ β Μ Μ Μ Μ πΆπ·, prove Μ Μ Μ Μ Μ Μ Μ Μ that π΅πΆ β₯ π΄π· . Organize your reasoning in the two column proof. B A 1. 1. Given 2. 2. Alternate Interior Angles 3. Μ Μ Μ Μ π΄π΅ ο Μ Μ Μ Μ πΆπ· 3. 4. 4. Reflexive Property 5. βABC ο βCDA 5. 6. 6. β βs βΆβ parts Μ Μ Μ Μ β₯ Μ Μ Μ Μ 7. π΅πΆ π΄π· 7. C D Geometry Chapter 7 Post-Test Worksheet 3. Fill-in the blank with the Definition of each Quadrilateral. (Hint: use your glossary.) A) Rhombus _____________________________________________________________________ B) Square _______________________________________________________________________ C) Parallelogram__________________________________________________________________ D) Kite __________________________________________________________________________ E) Trapezoid _____________________________________________________________________ S 4. In the figure at right, SL = 48cm and SI= 16cm. M a. State why οSMI ~ οSLE . Be specific and make your explanation complete. L b. Find all side lengths of οSMI and οSLE . SHOW ALL WORK. c. Is MI // LE ? Justify your conclusion. I E Geometry Chapter 7 Post-Test Worksheet Problem # Concept Midpoint, Distance and Slope: Use midpoint, distance and slope properties to determine relationships between line 1-4 segments. Mastered Needs Retake 1. For the segment with endpoints A(1, 6) and B(3, 8) a. Find the midpoint of line segment Μ Μ Μ Μ π΄π΅ . Μ Μ Μ Μ . b. Find the length of line segment π΄π΅ Μ Μ Μ Μ name the coordinates of point C. c. If point A is the midpoint of π΅πΆ 2. Plot the points A (0, 0), B (6, 0), C (8, 6), D (2, 6). What shape is ABCD (name it completely)? Use the length & slope of each side to justify your conclusion. Show All Work Geometry Chapter 7 Post-Test Worksheet 3. Find the midpoint of segment Μ Μ Μ Μ π΄π΅ , if A(-4, 9) and B(-13, -18) 4. Plot and connect the points S (0, 0) T (0, 5), A (4, 6), R (7, 2) to form quadrilateral STAR. What shape is STAR? Use the slopes of the sides to justify your answer completely.