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Standing on a small bluff overlooking a local pond, Clay wants to calculate the width of the pond. From point C, Clay walks the distances CA and CB. Then he measures the angle between these line segments. What is the distance to the nearest meter from A to B?

 

 Oct 10, 2014

Best Answer 

 #1
avatar+23254 
+5

Since this is a SAS situation, use the Law of Cosines:  c² = a² + b² -2·a·b·cosC

c² = 72² + 60² - 2·72·60·cos105

c²  = 5184 + 3600 - (-2236.19655)

c²  = 11020

c  =  105

 Oct 10, 2014
 #1
avatar+23254 
+5
Best Answer

Since this is a SAS situation, use the Law of Cosines:  c² = a² + b² -2·a·b·cosC

c² = 72² + 60² - 2·72·60·cos105

c²  = 5184 + 3600 - (-2236.19655)

c²  = 11020

c  =  105

geno3141 Oct 10, 2014

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