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Find AC, to two decimal places.

 

 May 4, 2022
 #1
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We have  a 30 - 60  -90   right triangle

 

The side opposite the right angle is    2 /sqrt (3)   times the angle opposite the 60°  angle

 

So  AC  =  2 / sqrt (3) *  15 =   30/sqrt 3  =  (30/3)sqrt (3)  = 10sqrt 3

 

And the side oposite the 30° angle = AB   =  (1/2)*10sqrt (3)  =  5 sqrt 3

 

 

cool cool cool

 May 4, 2022

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