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Triangle DEF is equilateral. Find AE.

 

 

DA = 3, AF = 2

 Mar 25, 2024
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\(\overline{AE}= \sqrt {\left( \frac {1} {2} \right)^2 + \left( \frac {5\sqrt{3}} {2} \right)^2} = \sqrt {\frac {1} {4} + \frac {75} {4}} = \frac {1} {2} \sqrt {76} = \boxed{\sqrt {19}}.\)

laugh

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 Mar 25, 2024

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