2Suppose ZACB EZAEDin the figure shown.A30070°CBEDBased on the figure and the given statement, which can prove that AACB ~ AAED ?A)MZABC = MZADE = 40°, and since the three corresponding angles are congruent, AACB ~ AAEDB)MZABC = MZADE = 80°, and since the three corresponding angles are congruent, AACB ~ AAEDC)AC is proportional to AE , and since two corresponding angles are congruent, AACB ~ AAED .DAB is proportional to AD , and since two corresponding angles are congruent, AACB ~ AAED .

Answered: Image /qna-images/answer/fd8b167f-00fd-4fd4-b603-4a012167a563.jpg

Answered: A 30° 70°C B E D Based on the figure…

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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2) As shown in the diagram below, a ship is heading directly toward a lighthouse whose beacon is 125 feet above sea level. At the first sighting, point A, the angle of elevation from the ship to the light was 7°. A short time later, at point D, the angle of elevation was 16°. 125 ft 7° 16° А D C To the nearest foot, determine and state how far the ship traveled from point A to point D.
Datt Puna Use the given information to solve the problem. Round all answers to the nearest whole number. Hint: draw an image to help with set-up. 1) Charlie is standing 250 feet from the base of a tall building. If he determines that the angle of elevation from the ground to the top of the building is 62°, how talt is the building? 2) An airplane is flying at a height of 2000 feet above sea level. If the pilot spots an island in the distance with an angle of depression of 12°, how far is the island from a point directly under the plane? 3) A tower casts a shadow that is 134 feet long when the angle of elevation to the sun is 55°. How tall is the tower? 4) In a bank, a security camera is placed 10 feet high on a wall that is 45 feet from the front door. What angle of depression is needed so the camera aims for a point at the base of the front door?
If you are given a right triangle where the smallest angle (B) is 45 degrees, the longest side is2 inches and the shortest side is 1 inch, what would be the value of tan(B)? a) O17 b) O 1/2 c) OV2 d) O/2 None of the above
Suppose that AABC is a right triangle with ZC = 90°. If AC = BC = 4, compute the following. (Enter your answers in exact form.) (a) sec A, csc A, cot A sec A = CSC A = cot A = (b) sec B, csc B, cot B sec B = csc B = cot B= = (c) (cot A) (cot B)
3 An airplane is 1000 km from airport A and 500 km from airport B. The angle between the paths to the two airports is 51°. B 500 km 51° airplane A 1000 km a) How far apart are the two airports, to the nearest kilometer? b) If the airplane only has enough fuel to fly 1438 km and needs to stop at both airports without refueling, which airport should the airplane fly to first? Explain your answer.
1) Use the given right triangle to find cos A. OB OC OD A 4 A) cos 4 = 1/2 A 1 A 16 3 B) cos 4 = -3 5 B 12 C C) cos A = 1-44 = D) cos A

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