Question

determine em graus a medida equivalente a: a)4/9pi rad b)17/10pi rad

Answer 1

$a) \\ \frac{4 \pi }{9} rad= \\ \\ \pi =180^{\circ} \\ \\ \frac{4.180}{9} = \frac{720}{9} =80^{\circ} \\ \\ b) \\ \frac{17 \pi }{10} rad= \\ \\ \frac{17.180}{10} = \frac{3060}{10} =306^{\circ}$