CR 2. Beatrice was asked to solve the following problem, critique her work: Question: A man standing 200 feet away from the base of a building, The angle of elevation from the man to the top of the building is 42°. Find the height of the building, round your answer to the nearest foot. Beatrice's Work: sin 42° = 200 200 · sin 42° = x 42 133.83 = x 200 feet Answer: The building is approximately 134 feet tall Identify Beatrice's error and explain why it is incorrect

Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.
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CR 2. Beatrice was asked to solve the following problem, critique her work:
Question: A man standing 200 feet away from the base of a building. The angle of elevation from the man to
the top of the building is 42°. Find the height of the building, round your answer to the nearest foot.
Beatrice's Work:
sin 42° = 200
200 · sin 42°
42°
133.83 = x
200 feet
Answer: The building is
approximately 134 feet tall
Identify Beatrice's error and explain why it is incorrect
Show Beatrice how to correctly find the height of the building
Transcribed Image Text:CR 2. Beatrice was asked to solve the following problem, critique her work: Question: A man standing 200 feet away from the base of a building. The angle of elevation from the man to the top of the building is 42°. Find the height of the building, round your answer to the nearest foot. Beatrice's Work: sin 42° = 200 200 · sin 42° 42° 133.83 = x 200 feet Answer: The building is approximately 134 feet tall Identify Beatrice's error and explain why it is incorrect Show Beatrice how to correctly find the height of the building
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