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Caculate

Caculate

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section8.2: The Law Of Cosines
Problem 3E
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Caculate please help I swaer I tried but didn't understand how to do it ??
You have collected data on several buildings. For each building, you are given the angle of the line of sight up to the top of the building, and the distance to the building. Calculate the height of each building. 15. Building 1 Angle 71° Distance 20 meters A. 89.26 m B. 74.23 m C. 25.62 m D. 19.23 m E. 67.23 m F. 58.08 m 16. Building 2 Angle 45° Distance 10 meters A. 4.13 m B. 8.73 m C. 25.62 m D. 10.00 m E. 5.46 m F. 58.08 m 17. Building 3 Angle 20° Distance 15 meters A. 4.13 m B. 8.73 m C. 25.62 m D. 10.00 m E. 5.46 m F. 58.08 m 18. Building 4 Angle 5° Distance 47.22 meters A. 4.13 m B. 8.73 m C. 25.62 m D. 10.00 m E. 5.46 m F. 58.08 m 19. Building 5 Angle 1º Distance 500 meters A. 4.13 m. B. 8.73 m C. 25.62 m D. 10.00 m E. 5.46 m F. 58.08 m 20. You have climbed to the top of a tall tree. When you get to the top, you use your clinometer to discover that the angle between the tree and the line of sight to your red lunchbox is 30°. You know you left the lunchbox 20 meters from the base of the tree. How tall is the tree? (Careful! This is a little different than the building problems!) A. 75.36 m B. 92.09 m C. 20.17 m D. 51.25 m E. 18.95 m F. 34.64 m.
Transcribed Image Text:You have collected data on several buildings. For each building, you are given the angle of the line of sight up to the top of the building, and the distance to the building. Calculate the height of each building. 15. Building 1 Angle 71° Distance 20 meters A. 89.26 m B. 74.23 m C. 25.62 m D. 19.23 m E. 67.23 m F. 58.08 m 16. Building 2 Angle 45° Distance 10 meters A. 4.13 m B. 8.73 m C. 25.62 m D. 10.00 m E. 5.46 m F. 58.08 m 17. Building 3 Angle 20° Distance 15 meters A. 4.13 m B. 8.73 m C. 25.62 m D. 10.00 m E. 5.46 m F. 58.08 m 18. Building 4 Angle 5° Distance 47.22 meters A. 4.13 m B. 8.73 m C. 25.62 m D. 10.00 m E. 5.46 m F. 58.08 m 19. Building 5 Angle 1º Distance 500 meters A. 4.13 m. B. 8.73 m C. 25.62 m D. 10.00 m E. 5.46 m F. 58.08 m 20. You have climbed to the top of a tall tree. When you get to the top, you use your clinometer to discover that the angle between the tree and the line of sight to your red lunchbox is 30°. You know you left the lunchbox 20 meters from the base of the tree. How tall is the tree? (Careful! This is a little different than the building problems!) A. 75.36 m B. 92.09 m C. 20.17 m D. 51.25 m E. 18.95 m F. 34.64 m.
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