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Two points A and B are on opposite sides of a building. A surveyor selects a third point C to place a transit. Point C is 52 feet from point A and 67 feet from point B. The angle ACB is 60°. How far apart are points A and B?

 May 13, 2021
 #1
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Use Law of Cosines

 

522 + 672 - 2 (52)(67)cos(60) = (AB)2         I'll let you finish with the calculations ! 

 May 13, 2021

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