Geometry Chapter 11 Review Multiple Choice Identify the choice that best completes the statement or answers the question. 1. Which statement is false? a. Either pair of parallel sides can be used as the bases of a parallelogram. b. If two polygons are congruent, they have the same area. c. The height of a parallelogram is the longer distance between the bases. d. If you transform a rectangle to form other parallelograms with the same base and height, the area stays the same. 2. Find the area of the polygon. Name 7. A plot of land 500 feet wide and 2000 feet long borders a similar, but smaller plot of land only 4% of the size of the larger plot. Find the area of the smaller plot. a. 40,000 ft2 c. 4000 ft2 2 b. 160,000 ft d. 1600 ft2 8. Find the diameter of a ball that rolls 100 feet after 60 revolutions. Round to the nearest hundredth. a. 0.53 ft b. 0.27 ft c. 5.24 ft d. 2.62 ft 9. Find the length of a. 2.44 in. b. 7.68 in. to the nearest hundredth. c. 15.35 in. d. 3.84 in. a. 128 in.2 c. 256 in.2 2 b. 64 in. d. 96 in.2 3. Find the height of a triangle with a base of 10 cm and an area of 230 cm2. 10. a. 23 cm c. 92 cm b. 46 cm d. 69 cm 4. Find the area of the polygon. a. b. c. d. 11. Find the area of the figure, rounded to the nearest hundredth. a. 32 ft2 c. 80 ft2 2 b. 96 ft d. 128 ft2 5. Find the area (in square meters) of a rhombus with vertices . a. 50 m2 b. 100 m2 6. Find the area of the kite. a. 40 in.2 b. 100 in.2 c. 20 m2 d. 10 m2 c. 42 in.2 d. 70 in.2 . Find the distances between points A and B. a. 130.48 in.2 c. 324.53 in.2 2 b. 212.48 in. d. 280.96 in.2 12. The apothem of a regular polygon inscribed in a circle is the _?_ . a. distance from the center to any side of the polygon b. center of the polygon c. arc length intercepted by each side of the polygon d. central angle of the polygon 13. Find the side length of a 15-sided regular polygon with apothem a = 6 inches and area A = 282 square inches. a. b. 94 in. in. c. d. in. in. 14. Which is not true about the probability of an event? a. It can be expressed as a fraction, decimal, or percent. b. It is the measure of the likelihood that an event will occur. c. The probability of event A can be written as P(A). d. It is a number x such that 0 < x < 1. 15. Find the probability that a randomly chosen point in the circle also lies in the triangle. a. 28 % b. 41 % c. 56 % 16. Which statement is false? d. 45 % a. In a parallelogram, either pair of parallel sides can be used as the bases. b. The height of a parallelogram is never equal to the length of either of its sides. c. A diagonal of a parallelogram divides it into two congruent triangles. d. If the length and width of a rectangle equal the base and height of a parallelogram, their areas are equal. 17. Find the area of the polygon. a. 153 cm2 c. 3600 cm2 2 b. 2400 cm d. 5040 cm2 18. Find the height of a triangle with a base of 63 inches and an area of 283.5 square inches. a. 2.25 in. c. 7 in. b. 4.5 in. d. 9 in. 19. Find the area of the parallelogram. a. 210 m2 b. 238 m2 20. Find the area of a rhombus (in square inches) with vertices and . a. 18 in.2 b. 30 in.2 21. Find the area of the kite. c. 50 in.2 d. 60 in.2 a. 75 m2 b. 150 m2 c. 180 m2 d. 375 m2 22. A plot of land has an area of 3.75 square kilometers. Another plot of land is similar, and each of its side lengths is 160% the lengths of the sides of the first plot. Find the area of the second plot of land. a. 6 km2 c. 9.6 km2 b. 8.25 km2 d. 12 km2 23. Find the radius of a wheel that travels 7068.58 inches after 50 revolutions. Round to the nearest tenth of an inch. a. 22.5 in. b. 45 in. 24. Find the circumference of a. b. c. d. c. 70.7 in. d. 90 in. . 110 in. 121.6 in. 152 in. 190 in. 25. The diameter of the sphere shown is 33, and Find the distances between A and B. c. 330 m2 d. 374 m2 a. b. c. d. . 26. Find the area of the figure, rounded to the nearest hundredth. a. 167.73 ft2 b. 104.12 ft2 c. 549.44 ft2 d. 589.94 ft2 27. Which statement is true? Short Answer 31. Find the area of the figure. Round your answer to the nearest inch. 32. Find the area of the figure. Round your answer to the nearest square inch. a. An apothem of a regular polygon is the segment that joins the center of the polygon to any of its vertices. b. The radius of a regular polygon is the segment that joins the center of the polygon to the midpoint of any side of the polygon. c. The radius of a regular polygon is congruent to the radius of the circle that circumscribes it. d. The apothem of a regular polygon is congruent to the radius of the polygon. 28. A regular octagon has a radius of 39 inches and a side length of 30 inches. Find the area of the octagon. Round to the nearest tenth if necessary. a. 3072 in.2 c. 5120 in.2 2 b. 4320 in. d. 9385.1 in2 29. Find the probability that a randomly chosen point on is not on . 33. You own a warehouse that is 240 feet long and 160 feet wide. You want to build a new warehouse that is 50% longer and 50% wider than the other warehouse. a. Find the area of the new warehouse. b. Is it 50% more area than the smaller warehouse? Explain. 34. A park is 350 feet long and 225 feet wide. Park management wants to expand the park so that each side is 25% longer. a. What will be the ratio of the side lengths of the new park to the side lengths of the existing park? b. Describe how you can find the area of the expanded park without finding its side lengths. Then find the area. 35. You have a circular clock with an 8-inch radius. a. b. c. d. 30. Find the probability that a randomly chosen point in the figure also lies in the innermost circle. a. Find the circumference of the clock. b. Find the area of the clock. c. Find the smaller arc length created by the hands of the clock when it is 10:30. d. Find the area of the large sector formed when it is 1:30. 36. You have a circular clock with a 14-inch diameter. a. Find the exact circumference of the clock. b. Find the exact area of the clock. a. 4.2% b. 6% c. 6.25% d. 36% c. Find the smaller arc length created by the hands of the clock when it is 3:30. Round to the nearest hundredth. d. Find the area of the larger sector formed when it is 6:15. Round to the nearest hundredth. Geometry Chapter 11 Review Answer Section MULTIPLE CHOICE 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. C A B B A C D A B B C A C D B B B D A B B C A D 25. 26. 27. 28. 29. 30. C B C B A D SHORT ANSWER 31. 1236 in.2 32. 1146 33. a. 86,400 ft2 b. No; the length and width ratio of the new warehouse to the old warehouse is 3 : 2, so the area ratio is 9 : 4. 34. a. 1: 1.25 b. Multiply the area of the existing park by the square of 1.25; 123,046.875 ft2 35. a. 50.27 in. b. 201.1 in.2 c. 18.85 in. d. 125.66 in.2 36. a. . b. . c. 9.16 in. d. 112.24 in.