19. From one end of a 6-km straight road, a helicopter is seen hovering directly over the other end at an angle of elevation equal to SU. Find the height of the helicopter from the ground. a. 3.46 km c. 4.24 km b. 7.34km d. 10.39 k 20. The angle of elevation of the top of the building is 50°. If the observer is 90 m from the base of the building, how high is the a. 107.26 m b. 100.32 m building? c. 68.94 m d. 57.85 m 21. To find the missing length below, would you use Law of Sines or Law of Cosines. Find the missing length. Imo of Sinae 1199 2 cm Inwof Cosines 27 cm A Law of Corines 7274 cm

19. From one end of a 6-km straight road, a helicopter is seen hovering directly over the other end at an angle of elevation equal to SU. Find the height of the helicopter from the ground. a. 3.46 km c. 4.24 km b. 7.34km d. 10.39 k 20. The angle of elevation of the top of the building is 50°. If the observer is 90 m from the base of the building, how high is the a. 107.26 m b. 100.32 m building? c. 68.94 m d. 57.85 m 21. To find the missing length below, would you use Law of Sines or Law of Cosines. Find the missing length. Imo of Sinae 1199 2 cm Inwof Cosines 27 cm A Law of Corines 7274 cm

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

Chapter4: Quadrilaterals

Section4.1: Properties Of A Parallelogram

Problem 41E: The following problem is based on the Parallelogram Law. In the scaled drawing, each unit...

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