. Standing on top of a 30-ft lifeguard tower, an observer measures the angle of elevation of a parasail to be 18°. The same observer standing on the ground next to the tower measures the angle of elevation as 21°. If the eye level of the observer is 5 ft, determine the height of the parasail to the nearest foot. 18° 5 ft f. 30 ft 21° )5 ft

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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. Standing on top of a 30-ft lifeguard tower, an observer
measures the angle of elevation of a parasail to be 18°.
The same observer standing on the ground next to the
tower measures the angle of elevation as 21°. If the
eye level of the observer is 5 ft, determine the height
of the parasail to the nearest foot.
18°
5 ft f.
30 ft
21°
)5 ft
Transcribed Image Text:. Standing on top of a 30-ft lifeguard tower, an observer measures the angle of elevation of a parasail to be 18°. The same observer standing on the ground next to the tower measures the angle of elevation as 21°. If the eye level of the observer is 5 ft, determine the height of the parasail to the nearest foot. 18° 5 ft f. 30 ft 21° )5 ft
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