Cass (C) and Dean (D), are standing on level ground on opposite sides of a lighthouse (L). From Cass’ eyes, the angle of elevation to the top of the lighthouse is 39 o and the angle of elevation from Dean’s eyes is 51. They are 48m apart and their eyes are 1. 8m above the ground. Calculate the height of the lighthouse, to the nearest tenth of a meter.

Trigonometry (MindTap Course List)
8th Edition
ISBN:9781305652224
Author:Charles P. McKeague, Mark D. Turner
Publisher:Charles P. McKeague, Mark D. Turner
Chapter2: Right Triangle Trigonometry
Section2.4: Applications
Problem 48PS: Albert lives in New Orleans. At noon on a summer day, the angle of elevation of the sun is 84. The...
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Cass (C) and Dean (D), are standing on level ground on opposite sides of a lighthouse (L). From Cass’ eyes, the angle of elevation to the top of the lighthouse is 39 o and the angle of elevation from Dean’s eyes is 51. They are 48m apart and their eyes are 1. 8m above the ground. Calculate the height of the lighthouse, to the nearest tenth of a meter.

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