1. The angle of elevation is equal to the angle of depression.2. In A WXY w = 25 cm, x = 14 cm and y = 19 cm. If you were asked to findthe angle W, this problem could be solved using SOH CAH TOA.3. In A BCD angle B = 54°, angle D = 73° and side d = 18 cm. If you wereasked to find the length of side b, this problem could be solved using thesine law.4. The cos5² +6²-8²2(5)(6)= 86°

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Answered: 1. The angle of elevation is equal to…

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

ChapterP: Preliminary Concepts

SectionP.CT: Test

Problem 1CT

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You have planted a tall tree in your yard that needs guy wires to keep it stable until its roots become established. You have attached two guy wires, each 18 feet high up the tree. One wire has a 42 degree angle of elevation with the ground and the other has a 48 degree angle of elevation with the ground. Find the lengths of both wires. What is the length of the longer guy wire? Give answer to the nearest tenth of a foot. Do not include units. guy wire guy wire
You are a squirrel up in a tree with an angle of elevation of 30º from your eyes. You fell out of the tree once, so you know it’s 15 feet tall. a, If you are 5.5 feet tall, what is the distance from you to the squirrel? b. Your daughter standing next to you is only 2.5 feet tall. What is the angle of elevation from her viewpoint to the squirrel in the tree.
9. A surveyor is mapping a large marsh in a state park. He walks and measures a straight line south from a cliff for 0.75 mile to a large tree. He walks east, but he has to make a detour around the marsh. He gets around the marsh to a spot where he is perpendicular to the large tree and the trail he originally walked south on. He looks northwest and measures a 40° angle (ZA) northwest to the cliff from his line of sight to the large tree. He measures the distance back to the starting point at the cliff as 1.17 miles. What is the straight-line distance from the large tree east to ZA? What is the tangent of ZB , the angle at the cliff? Clff 0.75 mile 1.17 mile 40 Tree
4. A cable car gets stuck while crossing a gorge. The distance from the left side of the gorge to the cable car is 60 m. The distance from the right side of the gorge to the cable car is 50 m. What is the distance across the gorge if the cables meet at an angle of 84° from the cable car? Round your answer to one decimal place.
An observer (O) is located 500 feet from a school (S). The observer notices a bird (B) flying at a 39° angle of elevation from his line of sight. How high is the bird flying over the school? You must show all work and calculations to receive full credit. A right triangle is shown with one leg measuring 500 and another leg measuring h, with an angle across from it measuring 39 degrees.

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