Geometry CP Name_______________________________ Date_______________Block____________ Final Exam Review Packet True or False: 1._______ The formula for area of a kite is A d1d2 . 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 cm 2 . 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 mCED, given: EB bisects AED m AED = 74° m BEC = 19° mCED _________________ A B 14. Find mAED, given: m AEB = 29° 14’ m CED = 31° 26’ m BEC = 24° 34’ mAED ____________ C E D Draw the segment and then solve. 15. B is the midpoint of AC . AC = x + 3 AB = x AC = _____ AB = _____ BC = _____ 16. AC = _____ AB = _____ BC = _____ B is between points A and C. AB = 4x – 1 BC = 2x + 3 AC = 8x I 17. Given: Circle one: Congruent or Can’t Prove If congruent, name postulate: ______________ Finish congruence statement (only if congruent): BID _______ B R D S N Circle one: Congruent or Can’t Prove 18. Given: If congruent, name postulate: ______________ A Finish congruence statement (only if congruent): 2 E K SAN _______ G 19. Given: Circle one: Congruent or Can’t Prove O If congruent, name postulate: ______________ Finish congruence statement (only if congruent): GTA _______ T A 20. Given: ADB CDB Circle one: Congruent or Can’t Prove A If congruent, name postulate: ______________ Finish congruence statement (only if congruent): ABD _______ B D C D Circle one: Congruent or Can’t Prove 21. Given: If congruent, name postulate: ______________ A Finish congruence statement (only if congruent): C ABC _______ E B 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. 3 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. C Use the following sketch to solve: A B E F D H G 24. mABF (10 x 8) mBFH (7 x 10) Find x = _____________ AB CE FH 25. Given: mABD 32 . mBDG 89 Find: mEDG _________ mDGH _________ mEFB ___________ mCBD ____________ A B E D C I G F H A E 26. Given: BF CD EC bisects ACD mEGF 42 B Find: G F mCBF = __________ mABG _________ C 4 D Simplify each radical expression 4 600 27. 28. 17 3 29. 4 96 2 54 Solve the proportion. 16 x 30. x 4 7 5 x 2 5 8 5 31. Are the triangles similar? If so, write a similarity statement and identify the postulate or theorem that justifies your answer. 32. A D G 92° C 68° 23° Circle one: Similar or Can’t Prove T 92° If similar, name postulate: ____________ O Finish similarity statement (only if similar): CAT _______ Circle one: Similar or Can’t Prove 33. If similar, name postulate: ____________ Finish similarity statement (only if similar): SLP 5 _______ Circle one: Similar or Can’t Prove 34. 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 AB DE , AB 2 5, CB 4 3 and ED 5 6, find CD. CD = ____________ 6 37. If ABC ~ QPR , mA = 30° and mB = 97°, find the measures of angles Q, P, and R. mQ = ________ mP = ________ mR = ________ 38-40. Use the diagram at the right. A, B, and C are midpoints of sides GH, HJ and GJ respectively. 38. If AB 3x 8 and GJ 2x 24 , what is AB? __________ 39. If AC 3 y 5 and HJ 4 y 2 , what is HB? __________ 40. If GH 7 x 1 and BC 4x 3 , what is GH? __________ 41-43. Is this triangle possible? 41. 2.5, 3.5, 5 ___________ 42. 2, 6, 9 ___________ 43. 3 , 13 ,2 6 ___________ Find the third side. Write an inequality statement. 44. 5, 15, ___________________ Find the missing angles. 45. mCAD __________ mFAB __________ mBCA __________ 7 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 nearest tenth. d = ____________ 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 1. X is the midpoint of VY and WZ Reason 1. Given 2. VX XY 2. _____________________________ WX XZ 3. ∠𝑊𝑋𝑉 ≅ ∠𝑌𝑋𝑍 3. _____________________________ VWX ≅ ∆YZX 4. _____________________________ 4. 8 51. Write a proof. Given: D is the midpoint of AC ∠𝐴𝐷𝐵 ≅ ∠𝐵𝐷𝐶 Prove: AB BC Statement 1. D is the midpoint of AC Reason 1. Given ∠𝐴𝐷𝐵 ≅ ∠𝐵𝐷𝐶 2. AD DC 2. _____________________________ 3. BD BD 3. _____________________________ 4. ADB ≅ ∆CDB 5. AB BC 4. _____________________________ 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. c. 5 2 2 5 3 3 b. 5 2 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 9 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 WY 3x 20 , ZX 6x 16 , mWPX 108 , WZ = 20. WXYZ is a parallelogram. x _________ WP ________ mWXZ ________ mWYX ________ WX __________ 59. Find the following measurements if mDAB 144 and AC 30 . ABCD is a rhombus. mECB ________ mABC ________ AB ________ DB ________ 10 60. Find the following measurements in simplest radical form if DF 14 2 . DEFG is a square. mDEG ________ mFHG ________ EH ________ DG ________ 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 mABC 105 and the mDAB 85, find the indicated measures. mDCB ___________ EC = ___________ 64. Find the radius. 65. Find the value of x. r =___________ x =___________ 11 66. Given that the mNQM 255, find the mMPN. mMPN ___________ 67. Given that the mG 55, find the mDF . mDF __________ 68. If the mAC 60, find the mAB. 69. Find a and b. . mAB. = _________ a = __________, b = __________ 12 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. 25 7 x 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 = ______________ Area = ______________ 13 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 in2. x = ______________ x = ______________ 14 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) b) c) d) 84. Find the measure of the central angle if the arc length is 4 ft and the radius is 16ft. a) b) c) d) 85. 25.12 m 2 150.72 m2 376.8 m2 452.16 m 2 4 8 45 60 Find the radius of a circle if the area of one sector is 9 m 2 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 m AB given the corresponding arc length and the radius. Round to the nearest tenth. mAB _________ 88. Find the area of sector FDE. Round to the nearest tenth. area = __________ 15 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. mMRQ _________, __________ x = ______________ mPQ _________, __________ mRPM _________, __________ 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. ____________ 16 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 DP 2x 8 and DN 6x 3 . 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? 17 101. Find the value of x. List the sides of PQR in order from shortest to longest for the given angle measures. mP 9 x 29, mQ 93 5 x, m10 x 2 102. 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. V=_________ SA=_________ 104. Find the volume and surface area. V=_________ SA=_________ 105. Find the volume and surface area. V=_________ SA=_________ 106. A cylinder has a volume of approximately 188.4 cubic inches and a radius of 4 inches. What is its height? 107. Find the volume and surface area. V=_________ SA=_________ 108. Find the volume and surface area. V=_________ SA=_________ 18