     # Geo X Midterm Exam Review Packet X Midterm packet... Geo X Midterm Exam Review Packet Multiple Choice

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• Name: ________________________ Class: ___________________ Date: __________ ID: A

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Geo X Midterm Exam Review Packet

Multiple Choice Identify the choice that best completes the statement or answers the question.

____ 1. Name a fourth point in plane TUW.

a. Y b. Z c. W d. X

____ 2. Name the ray in the figure.

a. BA →

b. AB →←

c. BA d. AB →

____ 3. Find AC.

a. 14 b. 15 c. 12 d. 4

____ 4. If EF = 2x − 12, FG = 3x − 15, andEG = 23, find the values of x, EF, and FG. The drawing is not to scale.

a. x = 10, EF = 8, FG = 15 c. x = 10, EF = 32, FG = 45 b. x = 3, EF = –6, FG = –6 d. x = 3, EF = 8, FG = 15

____ 5. If T is the midpoint of SU, find the values of x and ST. The diagram is not to scale.

a. x = 5, ST = 45 c. x = 10, ST = 60 b. x = 5, ST = 60 d. x = 10, ST = 45

• Name: ________________________ ID: A

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____ 6. If m∠BOC= 27 and m∠AOC= 47, then what is the measure of ∠AOB? The diagram is not to scale.

a. 74 b. 40 c. 20 d. 54

____ 7. If m∠DEF = 122, then what are m∠FEG and m∠HEG? The diagram is not to scale.

a. m∠FEG = 122, m∠HEG = 58 c. m∠FEG = 68, m∠HEG = 122 b. m∠FEG = 58, m∠HEG = 132 d. m∠FEG = 58, m∠HEG = 122

____ 8. Name an angle supplementary to ∠EOD.

a. ∠BOC b. ∠BOE c. ∠DOC d. ∠BOA

____ 9. Supplementary angles are two angles whose measures have sum ____. Complementary angles are two angles whose measures have sum ____. a. 90; 180 b. 90; 45 c. 180; 360 d. 180; 90

• Name: ________________________ ID: A

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____ 10. The complement of an angle is 25°. What is the measure of the angle? a. 75° b. 155° c. 65° d. 165°

____ 11. ∠DFG and ∠JKL are complementary angles. m∠DFG = x + 5, and m∠JKL = x − 9. Find the measure of each angle. a. ∠DFG = 47, ∠JKL = 53 c. ∠DFG = 52, ∠JKL = 48 b. ∠DFG = 47, ∠JKL = 43 d. ∠DFG = 52, ∠JKL = 38

____ 12. ∠1 and ∠2 are supplementary angles. m∠1 = x − 39, and m∠2 = x + 61. Find the measure of each angle. a. ∠1 = 79, ∠2 = 101 c. ∠1 = 40, ∠2 = 150 b. ∠1 = 40, ∠2 = 140 d. ∠1 = 79, ∠2 = 111

____ 13. MO →

bisects ∠LMN, m∠LMO = 8x − 23, and m∠NMO = 2x + 37. Solve for x and find m∠LMN. The diagram is not to scale.

a. x = 9, m∠LMN = 98 c. x = 10, m∠LMN = 114 b. x = 9, m∠LMN = 49 d. x = 10, m∠LMN = 57

____ 14. Find the circumference of the circle in terms of π.

a. 156π in. b. 39π in. c. 1521π in. d. 78π in.

• Name: ________________________ ID: A

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____ 15. Find the area of the circle in terms of π.

a. 30π in.2 b. 900π in.2 c. 60π in.2 d. 225π in.2

____ 16. The figure is formed from rectangles. Find the total area. The diagram is not to scale.

a. 104 ft 2 b. 36 ft 2 c. 80 ft 2 d. 68 ft 2

____ 17. If the perimeter of a square is 72 inches, what is its area?

a. 72 in.2 b. 324 in.2 c. 18 in.2 d. 5,184 in.2

____ 18. Name the Property of Equality that justifies the statement: If p = q, then p − r = q − r. a. Reflexive Property c. Symmetric Property b. Multiplication Property d. Subtraction Property

____ 19. Name the Property of Congruence that justifies the statement:

If XY ≅ WX, thenWX ≅ XY. a. Symmetric Property c. Reflexive Property b. Transitive Property d. none of these

____ 20. Name the Property of Congruence that justifies the statement: If ∠A ≅ ∠B and∠B ≅ ∠C, then∠A ≅ ∠C. a. Transitive Property c. Reflexive Property b. Symmetric Property d. none of these

• Name: ________________________ ID: A

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Use the given property to complete the statement.

____ 21. Transitive Property of Congruence

If CD ≅ EF andEF ≅ GH , then ______. a. EF ≅ GH c. CD ≅ GH b. EF ≅ EF d. CD ≅ EF

____ 22. Find the value of x.

a. –19 b. 125 c. 19 d. 55

____ 23. m∠3 = 37. Find m∠1.

a. 37 b. 143 c. 27 d. 153

• Name: ________________________ ID: A

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____ 24. Find the values of x and y.

a. x = 15, y = 17 c. x = 68, y = 112 b. x = 112, y = 68 d. x = 17, y = 15

____ 25. Which angles are corresponding angles?

a. ∠8and∠16 c. ∠4and∠8 b. ∠7and∠8 d. none of these

____ 26. Line r is parallel to line t. Find m∠5. The diagram is not to scale.

a. 45 b. 35 c. 135 d. 145

• Name: ________________________ ID: A

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____ 27. Find the value of the variable if m Ä l, m∠1 = 2x + 44 and m∠5 = 5x + 38. The diagram is not to scale.

a. 1 b. 2 c. 3 d. –2

____ 28. Complete the statement. If a transversal intersects two parallel lines, then ____. a. corresponding angles are supplementary b. same-side interior angles are complementary c. alternate interior angles are congruent d. none of these

____ 29. Complete the statement. If a transversal intersects two parallel lines, then ____ angles are supplementary. a. acute c. same-side interior b. alternate interior d. corresponding

____ 30. Which lines, if any, can you conclude are parallel given that m∠1 + m∠2 = 180? Justify your conclusion with a theorem or postulate.

a. j Ä k , by the Converse of the Same-Side Interior Angles Theorem b. j Ä k , by the Converse of the Alternate Interior Angles Theorem c. g Ä h, by the Converse of the Alternate Interior Angles Theorem d. g Ä h, by the Converse of the Same-Side Interior Angles Theorem

• Name: ________________________ ID: A

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____ 31. m∠1 = 6x andm∠3 = 120. Find the value of x for p to be parallel to q. The diagram is not to scale.

a. 114 b. 126 c. 120 d. 20

____ 32. If c ⊥ b and a Ä c, what is m∠2?

a. 90 c. 74 b. 106 d. not enough information

____ 33. Find the value of k. The diagram is not to scale.

a. 17 b. 73 c. 118 d. 107

• Name: ________________________ ID: A

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____ 34. Find the values of x, y, and z. The diagram is not to scale.

a. x = 86, y = 94, z = 67 c. x = 67, y = 94, z = 86 b. x = 67, y = 86, z = 94 d. x = 86, y = 67, z = 94

____ 35. Classify the triangle by its sides. The diagram is not to scale.

a. straight b. scalene c. isosceles d. equilateral

____ 36. Classify ∆ABC by its angles, when m∠A = 32, m∠B = 85, and m∠C = 63. a. right b. straight c. obtuse d. acute

____ 37. Find the value of x. The diagram is not to scale.

a. 33 b. 162 c. 147 d. 75

• Name: ________________________ ID: A

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____ 38. Find the value of the variable. The diagram is not to scale.

a. 66 b. 19 c. 29 d. 43

____ 39. How many sides does a regular polygon have if each exterior angle measures 20? a. 17 sides b. 20 sides c. 21 sides d. 18 sides

____ 40. The sum of the measures of two exterior angles of a triangle is 255. What is the measure of the third exterior angle? a. 75 b. 115 c. 105 d. 95

____ 41. Use less than, equal to, or greater than to complete the statement. The measure of each exterior angle of a regular 7-gon is ____ the measure of each exterior angle of a regular 5-gon. a. cannot tell b. equal to c. less than d. greater than

____ 42. The Polygon Angle-Sum Theorem states: The sum of the measures of the angles of an n-gon is ____.

a. n − 2 180

b. (n − 1)180 c. 180 n − 1

d. (n − 2)180

____ 43. Complete this statement. The sum of the measures of the exterior angles of an n-gon, one at each vertex, is ____.

a. (n – 2)180 b. 360 c. (n − 2)180

n d. 180n

• Name: ________________________ ID: A

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____ 44. Justify the last two steps of the proof.

Given: RS ≅ UT and RT ≅ US Prove: ∆RST≅ ∆UTS

Proof:

1. RS ≅ UT 1. Given 2. RT ≅ US 2. Given 3. ST ≅ TS 3. ? 4. ∆RST≅ ∆UTS 4. ?

a. Symmetric Property of ≅; SSS c. Reflexive Property of ≅; SSS b. Reflexive Property of ≅; SAS d. Symmetric Property of ≅; SAS

____ 45. In each pair of triangles, parts are congruent as marked. Which pair of triangles is congruent by ASA? a. c.

b. d.

• Name: ________________________ ID: A

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____ 46. From the information in the diagram, can you prove ∆FDG ≅ ∆FDB? Explain.

a. yes, by ASA c. yes, by SAS b. yes, by AAA d. no

____ 47. Based on the given information, what can you conclude, and why?

Given: ∠H ≅ ∠L, HJ ≅ JL

a. ∆HIJ ≅ ∆LKJ by ASA c. ∆HIJ ≅ ∆JLK by ASA b. ∆HIJ ≅ ∆JLK by SAS d. ∆HIJ ≅ ∆LKJ by SAS

____ 48. Name the theorem or postulate that lets you immediately conclude ∆ABD ≅ ∆CBD.

a. SAS b. ASA c. AAS d. none of these

• Name: ________________________ ID: A

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____ 49. Supply the missing reasons to complete the proof.

Given: ∠Q ≅ ∠T and QR≅ TR Prove: PR ≅ SR

Statement Reasons

1. ∠Q ≅ ∠T and

QR ≅ TR 1. Given

2. ∠PRQ ≅ ∠SRT 2. Vertical angles are congruent.

3. ∆PRQ ≅ ∆SRT 3. ?

4.PR ≅ SR 4. ?

a. ASA; Substitution c. AAS; CPCTC b. SAS; CPCTC d. ASA; CPCTC

____ 50. What is the measure of a base angle of an isosceles triangle if the vertex angle measures 38° and the two congruent sides each measure 21 units?

a. 71° b. 142° c. 152° d. 76°

____ 51. What is the measure of the v

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