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# Geometry problem

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Triangle ABC is equilateral.  Find x.

Feb 11, 2022

#1
+36434
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sqrt 3 / 2  * AB  = sqrt 3 / 2 * 8 = 4 sqrt 3

Feb 11, 2022
edited by Guest  Feb 11, 2022
#2
+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