To find the height of a tree, a person walks to a point 30 feet from the base of the tree. She measures an angle of 57° between a line of sight to the top of the tree and the ground, as shown in Figure 13. Find the height of the tree. 57° 30 feet Let x be the height of the tree.
To find the height of a tree, a person walks to a point 30 feet from the base of the tree. She measures an angle of 57° between a line of sight to the top of the tree and the ground, as shown in Figure 13. Find the height of the tree. 57° 30 feet Let x be the height of the tree.
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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Transcribed Image Text:To find the height of a tree, a person walks to a point 30 feet from the base of the
tree. She measures an angle of 57° between a line of sight to the top of the tree
and the ground, as shown in Figure 13. Find the height of the tree.
57°
30 feet
Let x be the height of the tree.
Transcribed Image Text:What is the length of side x in this 45°-45°-90° triangle?
08
04
O 4√3
○ 4√2
45°
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