To find the distance across a river, a surveyor chose points A and B, which are 215 feet apart on one side of the river. She then chooses a reference point C on the opposite side of the river and finds that

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter7: Locus And Concurrence
Section7.2: Concurrence Of Lines
Problem 26E: A triangle has angles measuring 30, 30, and 120. If the congruent sides measure 6 units each, find...
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To find the distance across a river, a surveyor chose points A and B, which are 215
feet apart on one side of the river. She then chooses a reference point C on the
opposite side of the river and finds that <BAC is about 78° and ZABC is about 49⁰.
A 215 feet B
49°
NOTE: The picture is NOT drawn to scale.
Round all answers to 3 decimal places.
The distance across the river is about
78°
The distance from point A to point C is about
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с
feet.
feet.
Transcribed Image Text:To find the distance across a river, a surveyor chose points A and B, which are 215 feet apart on one side of the river. She then chooses a reference point C on the opposite side of the river and finds that <BAC is about 78° and ZABC is about 49⁰. A 215 feet B 49° NOTE: The picture is NOT drawn to scale. Round all answers to 3 decimal places. The distance across the river is about 78° The distance from point A to point C is about Submit Question Jump to Answer с feet. feet.
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