Applying the Laws of Sines and Cosines

A surveyor needs to measure the width of a building. He identifies two points [math]E[/math] and [math]F[/math] at ground level on opposite sides of the building. He then walks to a point a distance away from the building: point [math]G[/math]. He measures the distance from [math]E[/math] to [math]G[/math] as [math]284[/math] feet, the distance from [math]F[/math] to [math]G[/math] as [math]322[/math] feet, and the measure of [math]\angle G[/math] as [math]63^\circ[/math]. How wide is the building? Round your answer to the nearest foot, then determine whether it is reasonable given the context of the problem.

 

Walch Education

 
教材タイプ
ワークシート
タグ
distance  law-of-cosines  sketch  triangle  width 
対象者層(年齢)
15 – 18
言語
English (United States)
 
 
 
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