An observer standing on the southern bank of a river sees a tree that is much more than 100 feet downstream on the northern bank of the river. The angle formed by the southern bank and the line from the observer to the tree is 15 degrees. After walking 100 feet downstream, the observer measures the angle formed by the southern bank and the line to the same tree to be 25 degrees. Find the width of the river.
An observer standing on the southern bank of a river sees a tree that is much more than 100 feet downstream on the northern bank of the river. The angle formed by the southern bank and the line from the observer to the tree is 15 degrees. After walking 100 feet downstream, the observer measures the angle formed by the southern bank and the line to the same tree to be 25 degrees. Find the width of the river.
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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An observer standing on the southern bank of a river sees a tree that is much more than 100 feet downstream on the northern bank of the river. The angle formed by the southern bank and the line from the observer to the tree is 15 degrees. After walking 100 feet downstream, the observer measures the angle formed by the southern bank and the line to the same tree to be 25 degrees. Find the width of the river.
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