Transcript

Geometry CP Name_______________________________

Fall 2014-15 Date_______________Block____________

Final Exam Review Packet

True or False:

1._______ The formula for area of a kite is 1 2.A d d

2. ______ If two angles are equal, they are right angles.

3. ______ A trapezoid is never a parallelogram.

4. ______ Two points determine one and only one plane.

5. ______ 8 cm is the radius of a circle with an area of 64 2 .cm

6. ______ The sum of two acute angles is an obtuse angle.

7. ______ A trapezoid may be equilateral.

8. ______ Since the sum of 20°, 30°and 40° is 90°, then the angles are complementary.

9. ______ The diagonals in a rectangle are sometimes perpendicular.

Set up and solve the following word problems.

10. Two angles are supplementary. Find the angles if one angle is 10°more than two- thirds the other angle.

11. In a triangle, B is 12° larger than A. C is equal to the sum of the first two angles. Find the angles.

12. ΔABC is isosceles and one of the base angles is 15° larger than the vertex angle. Find the angles.

Solve the following angle problems:

13. Find ,m CED given:

EB bisects AED

mAED = 74°

mBEC = 19° m CED _________________

2

A

E D

B

C

B

I

RD

A

S N

EK

14. Find ,m AED given:

mAEB = 29° 14’

mCED = 31° 26’

mBEC = 24° 34’

m AED ____________

Draw the segment and then solve.

15. B is the midpoint of AC .

AC = x + 3

AB = x

16. B is between points A and C.

AB = 4x – 1

BC = 2x + 3

AC = 8x

17. Given: Circle one: Congruent or Can’t Prove

If congruent, name postulate: ______________

Finish congruence statement (only if congruent):

_______BID

18. Given: Circle one: Congruent or Can’t Prove

If congruent, name postulate: ______________

Finish congruence statement (only if congruent):

_______SAN

AC = _____

AB = _____

BC = _____

AC = _____

AB = _____

BC = _____

3

T

A

G

O

D

C

B

A

E

B

A

C

D

19. Given: Circle one: Congruent or Can’t Prove

If congruent, name postulate: ______________

Finish congruence statement (only if congruent):

_______GTA

20. Given: ADB CDB Circle one: Congruent or Can’t Prove

If congruent, name postulate: ______________

Finish congruence statement (only if congruent):

_______ABD

21. Given: Circle one: Congruent or Can’t Prove

If congruent, name postulate: ______________

Finish congruence statement (only if congruent):

_______ABC

Solve:

22. If two lines are parallel and are cut by a transversal, two alternate interior angles represented by 3x and

5x – 70. Find the angle measures.

4

AI

C E

F H

B

D

G

G

A

C D

F

E

B

_________

_________

m EDG

m DGH

F

BA D

E H

C

G

23. If two lines are parallel and are cut by a transversal, two corresponding angles represented by 2x + 10 and

4x -50. Find the angle measures.

Use the following sketch to solve:

24. (10 8)m ABF x

(7 10)m BFH x

Find x = _____________ m EFB ___________ m CBD ____________

25. Given: 32

89

AB CE FH

m ABD

m BDG

.

Find:

26. Given: BF CD

EC bisects ACD

42m EGF

Find:

m CBF = __________

m ABG _________

5

Simplify each radical expression

27. 6004 28. 3

17 29. 542964

Solve the proportion.

30. 4

16 x

x 31.

5852

57 x

Are the triangles similar? If so, write a similarity statement and identify the postulate or theorem that

justifies your answer.

32. A D G

C T

O

33. Circle one: Similar or Can’t Prove

If similar, name postulate: ____________

Finish similarity statement (only if similar):

_______SLP

92°

92°

23°

68°

Circle one: Similar or Can’t Prove

If similar, name postulate: ____________

Finish similarity statement (only if similar):

_______CAT

6

34. Circle one: Similar or Can’t Prove

If similar, name postulate: ____________

Finish similarity statement (only if similar):

_______ABC

Use the given information to determine the similar triangles. Then, solve for the missing side.

35. Given AG YM

GM = 5

AG = 6

YM = 15

Find RM = ____

36. Given , 2 5, 4 3 and 5 6,AB DE AB CB ED find CD.

CD = ____________

7

37. If QPRABC ~ , m A = 30° and m B = 97°, find the measures of angles Q, P, and R.

m Q = ________

m P = ________

m R = ________

38-40. Use the diagram at the right. A, B, and C are midpoints of sides GH, HJ and GJ

respectively.

38. If 3 8AB x and 2 24GJ x , what is AB? __________

39. If 3 5AC y and 4 2HJ y , what is HB? __________

40. If 7 1GH x and 4 3BC x , what is GH? __________

41-43. Is this triangle possible?

41. 2.5, 3.5, 5 ___________ 42. 2, 6, 9 ___________ 43. 62,13,3 ___________

Find the third side. Write an inequality statement.

44. 5, 15, ___________________

Find the missing angles.

45.

__________

__________

__________

m CAD

m FAB

m BCA

8

46. Find the midpoint of A(4, 7) and B(-5, 8) midpoint = ____________

47. Find the endpoint, B, of ,AB if A(8,-4) and the midpoint is (5, -9). B = ____________

48. Find the distance between A(2,4) and B(-12, 6). Round your answer to the d = ____________

nearest tenth.

49. Given the following conditional, write the converse, biconditional (if possible) and inverse statements.

If a number is divisible by two then it is even.

Converse: _____________________________________________________________________

Biconditional: _________________________________________________________________

50. Write a proof.

Given: X is the midpoint of VY and WZ .

Prove: VWX YZX

Statement Reason

1. X is the midpoint of VY and WZ 1. Given

2. XYVX 2. _____________________________

XZWX

3. 3. _____________________________

4. VWX YZX 4. _____________________________

9

51. Write a proof.

Given: D is the midpoint of AC

Prove: BCAB

Statement Reason

1. D is the midpoint of AC 1. Given

2. DCAD 2. _____________________________

3. BDBD 3. _____________________________

4. ADB CDB 4. _____________________________

5. BCAB 5. _____________________________

52. Which of the triangles in the figure below must be isosceles?

a) ∆SPR

b) ∆SPQ

c) ∆QTU

d) ∆SQV

53. If the hypotenuse of a 45-45-90 triangle is 5, what is the measure of the leg?

a. 5 2

2 b. 5 2

c. 5 3

3 d. 10

54. The length of the legs of a right triangle are 4 cm and 7 cm. Find the length of the hypotenuse.

a. 33 b. 2 13

c. 65 d. 2 5

10

________

________

________

________

DB

AB

ABCm

ECBm

55. Use the figure at the right to determine FG.

a. 4.2 b. 4.7

c. 9.1 d. 23.6

56. Find the value of x and y. Round to the nearest whole number.

a. x = 29°, y = 61° b. x = 64°, y = 26°

c. x = 26°, y = 64° d. x = 61°, y = 29°

57. If the diagonals of a quadrilateral bisect each other at right angles, the figure is a:

a. Rectangle b. Trapezoid c. Rhombus d. Kite

58. Find the following measurements if 3 20WY x , 6 16ZX x , 108WPXm , WZ = 20. WXYZ is a

parallelogram.

__________

________

________

________

_________

WX

WYXm

WXZm

WP

x

59. Find the following measurements if 144DABm and 30AC . ABCD is a rhombus.

11

________

________

________

________

DG

EH

FHGm

DEGm

60. Find the following measurements in simplest radical form if 214DF . DEFG is a square.

61. A trapezoid has midsegment of 13 and one base of 21. Find the other base.

b = ______________

62. A trapezoid has midsegment of (2x+4) and bases (3x+2) and (2x+1). Solve for x.

x = ______________

63. Given kite ABCD, BE = 12, BC = 20 and the 105m ABC and the 85 ,m DAB find the indicated

measures.

___________m DCB

EC = ___________

64. Find the radius. 65. Find the value of x.

r =___________ x =___________

12

66. Given that the 255 ,mNQM find the .m MPN

___________m MPN

67. Given that the 55 ,m G find the .mDF

__________mDF

68. If the 60 ,mAC find the .mAB 69. Find a and b.

.

.mAB = _________ a = __________, b = __________

13

725

yx

70. Find the value of x. 71. Find the value of x.

x = __________ x = __________

72. Find the value of x. 73. Find the value of x.

x = __________ x = __________

74. Find x and y.

x = __________ y = __________

75. Find the area and perimeter of a right triangle with a hypotenuse of 20 cm and a leg of 16 cm.

Perimeter = ______________

14

Area = ______________

76. Find the base of a parallelogram if the height is 20 cm and the area is 340 cm2.

base = ______________

77. Find the height of a trapezoid if the sum of the bases is 26 ft and the area is 312 ft2.

height = ______________

78. Find the area of the kite.

area = ______________

79. Find the value of x, given the Area = 276 ft2.

x = ______________

80. Find the value of x if the Area = 476 cm2. 81. Find the value of x if the Area = 36 in

2.

x = ______________ x = ______________

15

_________mAB

82. Find the circumference and area of the circle using the given information.

r =5 C=__________ A=____________ d=16 C=___________ A=____________

83. Find the area of the sector of a circle if the radius is 12 m and the arc measure is 120 .

a) 225.12 m

b) 2150.72 m

c) 2376.8 m

d) 2452.16 m

84. Find the measure of the central angle if the arc length is 4 ft and the radius is 16ft.

a) 4

b) 8

c) 45

d) 60

85. Find the radius of a circle if the area of one sector is 9 2m and the measure of the central angle is 90 .

a) 3 m

b) 4 m

c) 6 m

d) 36 m

86. Find the arc length of the circle with the radius of 10 cm and central angle measure of 72 .

a) 12.56 cm

b) 15.7 cm

c) 62.8 cm

d) 78.5 cm

87. Find the mAB given the corresponding arc length 88. Find the area of sector FDE.

and the radius. Round to the nearest tenth. Round to the nearest tenth.

16

_________,__________

_________,__________

_________,__________

mMRQ

mPQ

mRPM

area = __________

89. Find the radius given the central angle and the corresponding area of the sector ( A). Round to the nearest

tenth.

r = ______________

90. Find the value of x. 91. Find the following arc measures and label the

arcs as minor, major or semicircles. x = ______________

92. Find the sum of the measures of the interior angles of a dodecagon.

____________

93. The measure of each exterior angle of a polygon is 45o. Find the number of sides of the polygon.

___________

94. Find the measures of an interior and exterior angle of a regular pentadecagon.

________________________

95. The measure of an interior angle of a regular polygon is 120o. Find the number of sides of the polygon.

____________

17

96. If the exterior angle of a regular polygon measures 36o, find the sum of the measures of the interior angles.

___________

97. The sum of the interior angles of a polygon are 1440o. Name the polygon.

__________________

98. The measures of the interior angles of a pentagon are x, 3x, 2x – 1, 6x – 5, and 4x + 2. Find the measure of

each angle.

_________________________________

99. P is the centroid of DEF and 82 xDP and 36 xDN . Find the value of x.

x = ________________

100. R(3,3), S(-1, 6), and T(1, 8) are the vertices of RST and RX is a median. What are the coordinates of X?

18

101. Find the value of x. List the sides of PQR in order from shortest to longest for the given angle measures.

210,593,299 xmxQmxPm

102. In FGH which type of segment if ?FJ

a.) angle bisector b.) perpendicular bisector

c.) median d.) altitude

103. Find the volume and surface area. 104. Find the volume and surface area.

V=_________ V=_________

SA=_________ SA=_________

105. Find the volume and surface area. 106. A cylinder has a volume of approximately

V=_________ 188.4 cubic inches and a radius of 4 inches.

SA=_________ What is its height?

107. Find the volume and surface area. 108. Find the volume and surface area.

V=_________ V=_________

SA=_________ SA=_________


Recommended