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Triangle ABC is equilateral.  Find x.

 

 Feb 11, 2022
 #1
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+2

sqrt 3 / 2  * AB  = sqrt 3 / 2 * 8 = 4 sqrt 3

 Feb 11, 2022
edited by Guest  Feb 11, 2022
 #2
avatar+726 
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Since it is equilateral, then AD bisects CB, so CD = 4. Using the pythagorean theorem, AD is 8^2 - 4^2 = AD^2

 

So AD = \(4\sqrt{3}\)

 Feb 11, 2022

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