9. Jim must find the distance from A to B on opposite sides of a lake. He locates point C that is 975 feet from A and 215 feet from B. He measures the angle at C to be 82°. Find distance AB. tnae The angles of elevation from
9. Jim must find the distance from A to B on opposite sides of a lake. He locates point C that is 975 feet from A and 215 feet from B. He measures the angle at C to be 82°. Find distance AB. tnae The angles of elevation from
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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9. Jim must find the distance from A to B on opposite sides of a lake. He locates point C that is 975
feet from A and 215 feet from B. He measures the angle at C to be 82°. Find distance AB.
10. Two observers are 400 feet apart on opposite sides of a tree. The angles of elevation from
the observers to the top of the tree are 15° and 20°. Find the height of the tree.
11. A road slopes 12° above the horizontal, and a vertical telephone pole stands besideOhe road. The
angle of elevation of the sun is 55°, and the pole casts a 13 foot shadow downhill along the road. Find
the height of the telephone pole.
12. Forest Ranger Mike Miller at ranger station A sights a fire in the direction 28° east of north, Ranger
Bobby Baron at ranger station B, 15 miles due east of A, sights the same fire on a line 35° west of north.
Find the distance from each ranger station to the fire.
Int is to have the shape of a parallelogram that has adjacent sides measuring 215 feet and
tINgen two adjacent sides is 55°. What is the area of the parking lot?
13. Find the area of a regular dodecagon inscribed in a circle of radius 7 inches.
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