## Physics (10th Edition)

$29.6^{\circ}, 51.2^{\circ}, 99.2^{\circ}$
$\gamma = cos^{-1}(\frac{(150)^{2}+(190)^{2}-(95)^{2}}{(2)(150)(190)}) \approx 29.6^{\circ}$ $\alpha = cos^{-1}(\frac{(95)^{2}+(190)^{2}-(150)^{2}}{(2)(95)(190)}) \approx 51.2^{\circ}$ $\beta$ = 180 - (51.2) - (29.6) = 99.2$^{\circ}$