tailieunhanh - Sat - MC Grawhill part 41

Tham khảo tài liệu 'sat - mc grawhill part 41', ngoại ngữ, ngữ pháp tiếng anh phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 390 McGRAW-HILL S SAT Concept Review 6 Similar Figures 1. If two figures are similar then their corresponding sides are and their corresponding angles are. 2. What are the three sets of conditions of which any one is sufficient to show that two triangles are similar a. b. c. 3. The hypotenuses of two similar right triangles are 4 centimeters and 6 centimeters long respectively. If the area of the larger triangle is 27 what is the area of the smaller one Note Figure not drawn to scale. 4. In the figure above 1 II 2 AC 4 BC 5 and CE 6. What is the length of DE 5. In a 5- X 8-inch rectangular photograph the image of a tree is 3 inches high. The photograph is then magnified until its area is 1 000 square inches. What is the height of the tree image in the larger photograph CHAPTER 10 ESSENTIAL GEOMETRY SKILLS 391 SAT Practice 6 Similar Figures 1. The ratio of the areas of two squares is 4 1. If the perimeter of the smaller square is 20 what is the perimeter of the larger square A 5 B 10 C 20 D 40 E 80 2. A scale drawing of a rectangular patio measures 5 centimeters by 7 centimeters. If the longer side of the actual patio is 21 feet what is the area in square feet of the actual patio A 72 B 315 C 356 D 441 E 617 4. In the figure above 1 II 2. If EF x and EG y then which of the following represents the ratio of CD to BC A 1-- x B 1 y x C - -1 x Note Figure not drawn to scale. 3. In the figure above C and D are the centers of the two circles with radii of 3 and 2 respectively. If the larger shaded region has an area of 9 what is the area of the smaller shaded region A 4 B 5 C 6 D 7 E 8 D E 1- x y 1 x y 5. A circular cone with a base of radius 5 has been cut as shown in the figure above. What is the height of the smaller cone A Ã 13 B 136 C 96 D 96 E 104 392 McGRAW-HILL S SAT Note Figure not drawn to scale. A TN N X E F G 6. In the figure above what is the perimeter of the shaded trapezoid Note Figure not drawn to scale. __ . __ _ 7. In the figure above BD is parallel