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To find the distance across a river, a surveyor choose points A and B, which are 198 yd apart on one side of the river. She then chooses a reference point C on the opposite side of the river and finds that ZBAC ≈ 81° and ZABC ≈ 55° A 198 yd B 81° 55° с NOTE: The picture is NOT drawn to scale. Approximate the distance from point A to point C. distance = yd Find the distance across the river. height= yd

To find the distance across a river, a surveyor choose points A and B, which are 198 yd apart on one side of the river. She then chooses a reference point C on the opposite side of the river and finds that ZBAC ≈ 81° and ZABC ≈ 55° A 198 yd B 81° 55° с NOTE: The picture is NOT drawn to scale. Approximate the distance from point A to point C. distance = yd Find the distance across the river. height= yd

Trigonometry (11th Edition)
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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To find the distance across a river, a surveyor choose points A and B, which are 198 yd apart on one side of the river. She then chooses a reference point C on the opposite side of the river and finds that ZBAC 81° and ZABC ≈ 55° A 198 yd B 81° 55° C NOTE: The picture is NOT drawn to scale. Approximate the distance from point A to point C. distance = yd Find the distance across the river. height= yd
Transcribed Image Text:To find the distance across a river, a surveyor choose points A and B, which are 198 yd apart on one side of the river. She then chooses a reference point C on the opposite side of the river and finds that ZBAC 81° and ZABC ≈ 55° A 198 yd B 81° 55° C NOTE: The picture is NOT drawn to scale. Approximate the distance from point A to point C. distance = yd Find the distance across the river. height= yd
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