Answer
$BC = 5.2$, $AC = 24.4$
Work Step by Step
$sin 12 = BC/25$
$.2079 = BC/25$
$5.1975 = BC$
$AC^2 + 5.2^2 = 25^2$
$AC^2 + 27.04 = 625$
$AC^2 = 597.96$
$\sqrt {AC} = \sqrt {597.96}$
$AC = 24.45$
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