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8. In the accompanying diagram, mLC = 90, mLA = 42, and CA = 10. Which equation can be used to find AB? %3D %3D 10 A. tan 42° = AB AB B. tan 42° = 10 AB C. cos 42° = 42 A %3D 10 C 10 10 D. cos 42° = AB

8. In the accompanying diagram, mLC = 90, mLA = 42, and CA = 10. Which equation can be used to find AB? %3D %3D 10 A. tan 42° = AB AB B. tan 42° = 10 AB C. cos 42° = 42 A %3D 10 C 10 10 D. cos 42° = AB

Mathematics For Machine Technology
Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter12: Multiplication Of Decimal Fractions
Section: Chapter Questions
Problem 14A: The length, L, of the point on any standard 82° included angle drill can be calculated using the...
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8. In the accompanying diagram, mLC = 90, mLA = 42, and CA = 10. Which equation can be used to find AB ? Ile What is the length of side BC to one decimal place? B В. 74 10 A. tan 42° = АВ B A. 6.7 С. 9.0 D. 14.9 AB tan 42° = 10 В. 42° АВ C. cos 42° = 10 42° 10 10 10 D. cos 42° = AB 12e Which equation shows a correct trigonometric ratio for angle A in the right triangle below? In the accompanying diagram of right triangle 9. ABC, a right angle is at C, AB = 26, and mLA = 27. Find the length of BC to the nearest tenth. 17 cm 8 cm 26 15 cm A. sinA = tan A = В. In the accompanying diagram of right 10. triangle ABC, mLC = 90, MLBAC = 48, AC = x, and CB = 16.3. C. cos A = D. tan A = Which equation could be used to find the length of AC? B 13 In right triangle ABC, mLC = 90, mLA = 63, and AB = 10. If BC is represented by a, then which equation can be used to find a? 16.8 48' A. sin 63° = a 10 B 16.3 A. sin 48 = B. a = 10 cos 63° B. cos 48 = 16.3 C. tan 63° = 10 a a 16.3 C. tan 48 = D. tan 48 = 16.3 10 D. a = tan 27° 63
Transcribed Image Text:8. In the accompanying diagram, mLC = 90, mLA = 42, and CA = 10. Which equation can be used to find AB ? Ile What is the length of side BC to one decimal place? B В. 74 10 A. tan 42° = АВ B A. 6.7 С. 9.0 D. 14.9 AB tan 42° = 10 В. 42° АВ C. cos 42° = 10 42° 10 10 10 D. cos 42° = AB 12e Which equation shows a correct trigonometric ratio for angle A in the right triangle below? In the accompanying diagram of right triangle 9. ABC, a right angle is at C, AB = 26, and mLA = 27. Find the length of BC to the nearest tenth. 17 cm 8 cm 26 15 cm A. sinA = tan A = В. In the accompanying diagram of right 10. triangle ABC, mLC = 90, MLBAC = 48, AC = x, and CB = 16.3. C. cos A = D. tan A = Which equation could be used to find the length of AC? B 13 In right triangle ABC, mLC = 90, mLA = 63, and AB = 10. If BC is represented by a, then which equation can be used to find a? 16.8 48' A. sin 63° = a 10 B 16.3 A. sin 48 = B. a = 10 cos 63° B. cos 48 = 16.3 C. tan 63° = 10 a a 16.3 C. tan 48 = D. tan 48 = 16.3 10 D. a = tan 27° 63
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