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

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.6: Additional Trigonometric Graphs
Problem 60E
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Can you solve number 9 please?
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Kami Schoolo.
Mira Gendy - Law of sines:cosines revi
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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.
Transcribed Image Text:om/web/viewer.html?state%3D%7B"ids"%3A%5B"1rgkp2d0JF4Vjv5xIC3TxxQED4IMW8N12%5D%2C'action"%3A'open Kami Schoolo. Mira Gendy - Law of sines:cosines revi 100% : 12px : 2.0pt : BIUS A A O. X x2 E E 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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ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage