Question

Find the measure of the indicated angle to the nearest degree.

Answer 1

Answer:

$\cos( \theta) = \frac{adjacent}{hypotenuse} \\ \cos( \theta) = \frac{52}{56} \\ \cos( \theta) = 0.9286 \\ \theta = \cos {}^{ - 1} (0.9286) \\ \theta = 21.78 \degree$