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Mathematics 14 Online
OpenStudy (darkbluechocobo):

Help with application of law of cosines and sines

OpenStudy (darkbluechocobo):

A surveyor needs to determine the distance between two points that lie on opposite banks of a river. Along one bank, 300 yards are measured. The angles from each end of this line segment to a point on the opposite bank are 62° and 53°. Find the distance between A and B to the nearest foot.

OpenStudy (darkbluechocobo):

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OpenStudy (darkbluechocobo):

so we trying to find c?

OpenStudy (jdoe0001):

yeap side "c", yes

OpenStudy (darkbluechocobo):

well first we can get B by doing 180-62-53

OpenStudy (darkbluechocobo):

B=65 degrees

OpenStudy (jdoe0001):

\(\bf \cfrac{sin(B)}{b}=\cfrac{sin(C)}{c}\)

OpenStudy (darkbluechocobo):

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