Geometry Final Review A. Terminology matching – 1 to 1 (no extra terms). Review terms from section 2.1 and 2.2 handouts, as well as terms in your notes that were highlighted throughout the year. B. Angles and angle measures related to parallel lines. Given: l m 1 2 5 6 3 4 7 8 9 10 13 14 11 12 15 16 l m List a pair of : 1. Corresponding angles_____________________________ 2. Alternate interior angles___________________________ 3. Alternate exterior angles___________________________ 4. Interior angles on the same side of the transversal___________________ 5. Vertical angles__________________________ Given > 3 = 58 and > 6 = 110 , find the measures of: 6. > 9 ________________________ 7. > 10________________________ 8. > 11________________________ 9. > 16_________________________ C. Finding angle measure. 10. Find the measure of each angle. (4x+6) (3x) 11. Find the measure of each angle. (3x+4) (2x+9) 12. Find the sum of the measures of the vertex angles of a regular 10-gon. 13. Find the measure of a vertex angle of a regular 15-gon. 65 14. Find the measures of the missing angles. ? ? 15. Find the measure of angle x. 50 70 x D. Finding the lengths of the missing sides. Round to hundredths if needed. 16. x 12 m 30 y 17. 5 2 ft x y 18. Find the length of the diagonal of the square. 5” 19. Find the length of the altitude. 10 cm 20. Find the indicated lengths and angle measures. Given isosceles triangle EFG, and FH is the perpendicular bisector of EG . If EH = 10 cm , EF = 21cm and EFH = 28 a. How long is EG ? F b. How long if FH ? c. What is the measure of FEH ? E E. H G Identity if triangles are congruent or not, and be able to prove 2 triangles are congruent. 21. Name the different ways to prove that triangles are congruent. 22. Are the following triangles congruent? If so, why? a. B b. A D E C 23. F I G J H Given: BC and AE bisect each other at point D A Prove: ABD ECD B C D E F. Angle Measures and Basic Constructions. 24. Be able to identify angle types (ex. acute, obtuse, reflex) and be able to use your protractor to measure an angle. Identify what type of angle A is. Measure the degrees of angle A with your protractor. A 25. Construct a line perpendicular to CD C D 26. Reconstruct angle A and then bisect it. A G. Finding area, perimeter, surface area, volume of basic shapes and combinations of basic shapes. Triangles Prism Rectangles Pyramid Circles Circular Cylinder Parallelograms Circular Cone Trapezoids Sphere ******BE PREPARED TO LIST THE FORMULAS YOU ARE USING!! 27. Find the area and the perimeter of the figure below. Area formulas: Perimeter formulas: 4 in. Area = __________________________ 18 in. Perimeter = ______________________ 28. Find the area and perimeter of the figure below. Area formula: Perimeter formula: 20 cm 8 cm 6 cm Area = __________________________ 8 cm Perimeter = ______________________ 20 cm 29. Find the area and perimeter of the figure below. Area formula: Perimeter formula: 14 in. 8 in. 7 in. Area = __________________________ 12 in. Perimeter = ______________________ 24 in. 30. Find the surface area and volume of the figure below with a diameter of 6 in. Surface Area formula: Surface Area = _____________ Volume Formula: Volume = _________________ 6 in. 4 in. 31. Find the surface area and volume of the following figure. Surface Area formula: Volume formula: Surface Area = _____________ Volume = _________________ 8.5 in 10 in. 6 in 8 in. 32. Name the polyhedron in problem #31. _______________________________ How many faces does it have? _____________ How many vertices does it have? _____________ How many edges does it have? _____________ 33. Find the surface area and volume of the following figure. Surface Area Formula: Surface Area = _____________ Volume Formula: Volume = _________________ 5 in 4 in 6 in. 6 in 34. Name the polyhedron in problem #33. _______________________________ How many faces does it have? _____________ How many vertices does it have? _____________ How many edges does it have? _____________ 35. Find the surface area and volume of the following figure with diameter of 12 cm. Surface Area formula: Volume formula: Surface Area = _____________ Volume = _________________ H. Similar Triangles: Finding side lengths using proportions and different theorems. 36. 13 9 x 12 y 26 37. Find the length of x and y. 12 11 10 15 x y 38. Given AB BC , CD DE and AE = 10. C B A D 10 Find BD. E 39. Find the length of x. x 7 I. 5 Graphing: 40. Using point A (1,4) and point B ( 2, 5 ), answer the following questions. Round to hundredths. a. Find the distance between A and B. b. Find the midpoint of the line segment AB . c. Find the slope of the line segment AB . d. What is the slope of a line perpendicular to AB ? e. What is the slope of a line parallel to AB ? f. Write the equation of the line containing points A and B in slope-intercept form. 41. Graph the following lines: a. y = 4x+1 b. 3y = 6x 9 c. x = 5 d. y = 2 J. No unit conversions and no degree/ minute/ second conversions. Geometry Final Review Answer Key Numbers 1 – 5 Answers will vary. Listed are sample answers. 1. 1 and 9 2. 6 and 9 3. 1 and 14 4. 6 and 10 5. 1 and 6 6. 110 7. 70 8. 58 9. 58 10. 54 and 36 11. 104.2 and 75.8 12. 1440 13. 156 14. Both angles are 57.5 15. x = 120 16. x = 6m, y = 10.39 m 17. x = 7.07 feet, y = 10 feet 18. Length of the diagonal is 7.07 in. 19. The altitude is 8.66 cm long. 20. a. 20 cm b. 18.47 cm c. 62 21. Non-right triangles – SAS, ASA, SSS, AAS Right triangles – LL, HL, HA 22. a. Yes, by SSS b. No 23. 1. BC and AE bisect each other 2. AD ED 24. 25. 26. 27. 28. 29. 30. 31. 32. 33. 3. BD CD 4. ADB EDC 5. ABD ECD Acute angle, 45 See next column See next column A = 78.28 in 2 P = 46.28 in A = 120 cm 2 P = 56 cm A = 133 in 2 P = 58 in SA = 131.95 in 2 V = 113.1 in 3 SA = 278 in 2 V = 240 in 3 right triangular prism 5 faces 6 vertices 9 edges SA = 96 in 2 V = 48 in 3 1. Given 2. Definition of bisector 3. Definition of bisector 4. Vertical angles 5. SAS 25. 26. 34. right square pyramid 5 faces 5 vertices 8 edges 35. SA = 452.39 cm 2 V = 904.78 cm3 36. x = 24 y = 18 37. x = 13.75 y = 22.5 38. BD = 5 39. x = 9.8 40.a. AB = 9.49 1 2 b. , 1 2 c. m = 3 d. m = 1 3 e. m = 3 f. y = 3x+1 41. d c a b