A pole leans at an angle of 80° with the horizontal as shown in the figure below. When standing at point A at a distance of 89 feet from the pole, the angle of elevation to the top (at C) is 30°. Find the value of BC, the length of the pole. The figure may not necessarily be to scale. .C 30° A; 80° 89 HB Find the value of BC. Report your answer to two decimal places. ВС- 58.09 feet
A pole leans at an angle of 80° with the horizontal as shown in the figure below. When standing at point A at a distance of 89 feet from the pole, the angle of elevation to the top (at C) is 30°. Find the value of BC, the length of the pole. The figure may not necessarily be to scale. .C 30° A; 80° 89 HB Find the value of BC. Report your answer to two decimal places. ВС- 58.09 feet
Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE:
1. Give the measures of the complement and the supplement of an angle measuring 35°.
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Transcribed Image Text:A pole leans at an angle of 80° with the horizontal as shown in the figure below.
When standing at point A at a distance of 89 feet from the pole,
the angle of elevation to the top (at C) is 30°.
Find the value of BC, the length of the pole.
The figure may not necessarily be to scale.
.C
30°
80°
A
89
HB
Find the value of BC. Report your answer to two decimal places.
BC= 58.09
feet
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