Analytic Geometry Unit 1 Section 6 RECOVERY Review Name:____________________________________ 1. If quadrilateral ABCD is a parallelogram, then which of the following statements must be true? A. B C B. A B C. A C D. A D 2. Which of the following is defined as a quadrilateral with sides of equal length? A. rectangle B. kite C. rhombus D. trapezoid 3. Which of the following are NOT sufficient to prove that a quadrilateral is a parallelogram? I. II. III. IV. V. VI. VII. Two pairs of opposite angles congruent. Both pairs of opposite sides are parallel. Both pairs of opposite sides are congruent. The diagonals bisect each other. A pair of adjacent angles are supplementary. One pair of opposite sides are both parallel and congruent. A pair of opposite sides parallel and the other pair of opposite sides congruent. A. V and VII only B. IV, V, and VI only C. V, VI, and VII only D. IV and VI only 4. Which of the following is defined as a quadrilateral with four right angles? A. rhombus B. rectangle C. kite D. trapezoid 5. Given: Rhombus PQRS. Prove: PR QS Proof: Statements 1. PQ QR 2. QS QS Reasons RS SRQ 4. RQS 5. QC Definition of a rhombus Reflexive property of congruence 3. SPQ PQS SP QC Corresponding parts of congruent triangles are congruent. Reflexive property of congruence 6. PQC RQC SAS 7. RCQ Corresponding parts of congruent triangles are congruent. PCQ 8. PR QS If two intersecting lines form congruent adjacent angles, then they are perpendicular. Which of the following reasons completes the proof? A. AAS B. ASA C. SSS D. SAS 6. Which of the following is defined as a quadrilateral with sides of equal length and four right angles? A. parallelogram B. rectangle C. rhombus D. square 7. Which of the following quadrilaterals must have diagonals that bisect each other? I. Rhombus II. Isosceles Trapezoid III. Rectangle IV. Parallelogram A. I, III, and IV B. I and III C. All of these. D. III and IV 8. In rhombus ABCD, segments AC and BD are diagonals. If m DAB = 102°, what is the measure of Note: Figure is not drawn to scale. A. 129° B. 141° C. 219° D. 39° 9. If quadrilateral ABCD is a parallelogram, then which of the following statements must be true? A. m B + m C = 90° B. A D C. m A + m D = 180° D. m A + m C = 180° 10. A trapezoid is always an example of a: I. rectangle II. rhombus III. parallelogram IV. square A. I B. II C. IV D. none of these ABE? 11. Given: Parallellogram PQRS with diagonals PR and QS intersecting at point T. Prove: Point T is the midpoint of PR and QS. Proof: Statements Reasons 1. PQ Definition of parallelogram 2. RS QSR PRS SQP RPQ Alternate interior angles 3. 4. PQT RST ASA 5. QT ST PT RT Corresponding parts of congruent triangles are congruent. 6. T is the midpoint of PR. Definition of a midpoint T is the midpoint of QS. Which of the following statements and reasons completes the proof? A. PS QR; Opposite sides of a parallelogram are congruent B. PQ RS; Opposite sides of a parallelogram are congruent C. PTQ RTS; Vertical Angles D. PTS RTS; Vertical Angles 12. Which of the following statements would be sufficient to prove that parallelogram PQRS is a rectangle? A. P is the supplement of B. m P = m S R C. PS = QR D. PR = QS 13. Which of the following is defined as a quadrilateral with both pairs of opposite sides parallel? A. trapezoid B. parallelogram C. kite D. isosceles trapezoid 14. A rhombus is always an example of a: I. rectangle II. parallelogram III. square IV. trapezoid A. IV B. I C. II D. none of these 15. Figure WXZY is a parallelogram. The measure of segment XZ is 6 inches and the measure of segment WX is 21 inches. What is the measure of segment WY? *Note: Figure not drawn to scale. A. 12 inches B. 27 inches C. 21 inches D. 6 inches 16. If the diagonals of a quadrilateral are perpendicular bisectors of equal length, then the quadrilateral must be a . (Give the strongest condition.) A. square B. rhombus C. trapezoid D. rectangle 17. What quadrilateral will have diagonals of equal length, but will have no right angles? A. rectangle B. square C. rhombus D. isosceles trapezoid 18. A rectangle is always an example of a: I. rhombus II. parallelogram III. square IV. trapezoid A. II B. IV C. none of these D. III 19. Given: Parallelogram FGHJ with diagonal GJ. Prove: FGJ HJG Proof: Statements Reasons 1. FG Definition of parallelogram 2. 2 3. FJ 4. HJ 6 Alternate interior angles are congruent. Definition of parallelogram GH 3 4 5. GJ JG 6. FGJ Alternate interior angles are congruent. Reflexive property of congruence HJG Which of the following reasons completes the proof? A. SSS B. SAS C. ASA D. AAS 20. A parallelogram with four congruent sides and no right angles must be a A. square B. rhombus C. trapezoid D. rectangle . 21. If quadrilateral ABCD is an isosceles trapezoid, then which of the following statements must be true? A. m B + m C = 180° B. m A + m D = 180° C. m A + m B = 90° D. m A + m B = 180° 22. A square is always an example of a: I. rectangle II. rhombus III. parallelogram IV. trapezoid A. II B. I, II, and III C. none of these D. I 23. A parallelogram is always an example of a: I. rectangle II. rhombus III. square IV. trapezoid A. none of these B. IV C. I, II, III, and IV D. I, II, and III 24. ABCD is a rhombus and ABC is an equilateral triangle. If the diagonal AC has a length of 8 cm, then what is the length of segment AD? A. 7 cm B. 8 2) cm C. 8 cm D. 8 3) cm 25. Which of the following is defined as a quadrilateral with exactly one pair of opposite sides parallel? A. trapezoid B. square C. rhombus D. parallelogram Answers 1. C 2. C 3. A 4. B 5. C 6. D 7. A 8. D 9. C 10. D 11. B 12. D 13. B 14. C 15. D 16. A 17. D 18. A 19. C 20. B 21. D 22. B 23. A 24. C 25. A