REVIEW for Geometry Test - Chapter 4 Triangles and Congruence 1. Classify LMN. 2. Find the value of x: 3. Find the value of x. 4. Find the value of x. 5. Find the measure of the interior angles to the nearest tenth. (Drawing is not to scale.) ____ 6. Which pair of lengths can be two of the sides of an isosceles triangle which has a perimeter of 45 inches? a. 13 inches, 16 inches c. 13 inches, 17 inches b. 15 inches, 12 inches d. 11 inches, 16 inches 7. What is the value of z? (The figure may not be drawn to scale.) 8. The two triangle-shaped gardens are congruent. Find the missing side lengths and angle measures. ____ 9. If a. b. , and c. d. ____ 10. If a. b. which statement is NOT true? c. d. , which of the following statements is false? ____ 11. Refer to the figure below. Which of the following statements is true? I J L H K a. by HL b. There are no congruent triangles. 12. What must be true in order for c. d. by SSS by SSS by the SAS Congruence Postulate? ____ 13. Refer to the figure shown. Which of the following statements is true? a. b. 14. c. d. . Name the theorem or postulate that justifies the congruence. 15. What is the measure of each base angle of an isosceles triangle if its vertex angle measures 34 degrees and its 2 congruent sides measure 19 units? 16. Find the values of x and y. 17. Given ; find . P O N 18. Name an obtuse triangle. REVIEW for Geometry Test - Chapter 4 Triangles and Congruence Answer Section 1. ANS: Equilateral PTS: TOP: KEY: NOT: 2. ANS: 31° 1 DIF: Level A REF: MLGE0222 Lesson 4.1 Apply Triangle Sum Properties triangle | classify | isosceles | equilateral | scalene 978-0-618-65613-4 NAT: NCTM 9-12.GEO.1.a PTS: STA: TOP: BLM: 3. ANS: 51 1 DIF: Level A REF: MHGM0049 MO.MOGCLE.MTH.07.GEO.M.2.B.1 Lesson 4.1 Apply Triangle Sum Properties KEY: angle | theorem | exterior Comprehension NOT: 978-0-618-65613-4 PTS: STA: TOP: BLM: 4. ANS: ° 1 DIF: Level A REF: MHGM0050 MO.MOGCLE.MTH.07.GEO.M.2.B.1 Lesson 4.1 Apply Triangle Sum Properties KEY: angle | exterior | exterior angle Comprehension NOT: 978-0-618-65613-4 BLM: Knowledge PTS: 1 DIF: Level A REF: MOT70177 STA: MO.MOGCLE.MTH.07.GEO.M.2.B.1 TOP: Lesson 4.1 Apply Triangle Sum Properties KEY: angle | right | triangle | sum BLM: Comprehension NOT: 978-0-618-65613-4 5. ANS: 72.4°, 71.4°, 36.2° PTS: STA: TOP: BLM: 6. ANS: TOP: BLM: 7. ANS: 1 DIF: Level B REF: MLGE0224 MO.MOGCLE.MTH.07.GEO.M.2.B.1 Lesson 4.1 Apply Triangle Sum Properties KEY: solve | triangle sum Comprehension NOT: 978-0-618-65613-4 A PTS: 1 DIF: Level B REF: MC100123 Lesson 4.1 Apply Triangle Sum Properties KEY: triangle | perimeter | side | isosceles Application NOT: 978-0-618-65613-4 PTS: STA: TOP: KEY: BLM: 8. ANS: 1 DIF: Level B REF: MCT90016 MO.MOGCLE.MTH.07.GEO.M.2.B.1 Lesson 4.1 Apply Triangle Sum Properties angle | triangle | sum | interior | supplement | complementary | exterior Comprehension NOT: 978-0-618-65613-4 t = 4.5 ft; u = 31°; v = 90°; w = 59°; x = 8.7 ft 9. 10. 11. 12. PTS: TOP: BLM: ANS: NAT: KEY: NOT: ANS: TOP: BLM: ANS: TOP: BLM: ANS: 1 DIF: Level B REF: MHGM0045 Lesson 4.2 Apply Congruence and Triangles KEY: triangle | missing | congruent Comprehension NOT: 978-0-618-65613-4 C PTS: 1 DIF: Level B REF: DJAM1027 NCTM 9-12.GEO.1.b TOP: Lesson 4.2 Apply Congruence and Triangles triangles | congruent BLM: Comprehension 978-0-618-65613-4 A PTS: 1 DIF: Level B REF: MCT90021 Lesson 4.2 Apply Congruence and Triangles KEY: triangle | congruent Comprehension NOT: 978-0-618-65613-4 D PTS: 1 DIF: Level B REF: MLGE0231 Lesson 4.4 Prove Triangles Congruent by SAS and HL KEY: triangle | congruence Comprehension PTS: TOP: BLM: 13. ANS: TOP: KEY: NOT: 14. ANS: ASA 1 DIF: Level B REF: HLGM0307 Lesson 4.4 Prove Triangles Congruent by SAS and HL Knowledge NOT: 978-0-618-65613-4 B PTS: 1 DIF: Level B Lesson 4.4 Prove Triangles Congruent by SAS and HL triangle | parallel lines | congruence | ASA | SAS 978-0-618-65613-4 PTS: TOP: KEY: NOT: 15. ANS: 73° 1 DIF: Level B REF: MHGM0080 Lesson 4.5 Prove Triangles Congruent by ASA and AAS triangle | congruence | ASA | HL | AAS | SAS BLM: Comprehension 978-0-618-65613-4 KEY: triangle | congruent | SAS REF: MLGE0234 BLM: Comprehension PTS: 1 DIF: Level B REF: TASH0121 TOP: Lesson 4.7 Use Isosceles and Equilateral Triangles KEY: angle | triangle | isosceles BLM: Comprehension NOT: 978-0-618-65613-4 16. ANS: x = 32°, y = 74° PTS: STA: TOP: BLM: 17. ANS: NO = 1 DIF: Level B REF: PHGM0402 NAT: NCTM 9-12.GEO.1.a MO.MOGCLE.MTH.07.GEO.M.2.B.1 Lesson 4.7 Use Isosceles and Equilateral Triangles KEY: angle | isosceles | exterior angle Comprehension NOT: 978-0-618-65613-4 51 4 PTS: 1 DIF: Level B REF: MLGM0035 NAT: NCTM 9-12.GEO.1.b TOP: Lesson 4.7 Use Isosceles and Equilateral Triangles KEY: variable | triangle | properties BLM: Comprehension NOT: 978-0-618-65613-4 18. ANS: PTS: TOP: KEY: NOT: 1 DIF: Level A REF: MHGM0048 Lesson 4.1 Apply Triangle Sum Properties identify | right | obtuse | acute | triangle BLM: Knowledge 978-0-618-65613-4