An ecologist wishes to find the height of a redwood tree that is on the other side of a creek, as shown in the figure below. From point A he finds that the angle of elevation to the top of the tree is 10.2°. He then walks 24.8 feet at a right angle from point A to point B. There he finds that the angle between AB and a line extending from B to the tree is 86.5°. What is the height h of the tree? (Round your answer to one decimal place.) ft ||

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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An ecologist wishes to find the height of a redwood tree that is on the other
side of a creek, as shown in the figure below. From point A he finds that the
angle of elevation to the top of the tree is 10.2°. He then walks 24.8 feet at
a right angle from point A to point B. There he finds that the angle between
AB and a line extending from B to the tree is 86.5°. What is the height h of
the tree? (Round your answer to one decimal place.)
ft
||
Transcribed Image Text:An ecologist wishes to find the height of a redwood tree that is on the other side of a creek, as shown in the figure below. From point A he finds that the angle of elevation to the top of the tree is 10.2°. He then walks 24.8 feet at a right angle from point A to point B. There he finds that the angle between AB and a line extending from B to the tree is 86.5°. What is the height h of the tree? (Round your answer to one decimal place.) ft ||
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