Question

Use the law of cosines to find each missing side round to the nearest tenth

Answer 1

$a^{2} = {b}^{2} + {c}^{2} - 2bc \cos( \alpha)$
$a = \sqrt{ {8}^{2} + {14}^{2} - 2(8)(14) \cos(67) }$
$a = 13.13$