Question

expresse em graus.
1.
$\frac{\pi}{5} rad$
$0.5 \: rad$

Answer 1

a)
$\frac{\pi}{5} = \\ \\ \frac{\pi}{5} = \frac{180}{\pi} \\ \\ 36 \: graus$
b)
$1rad = 180graus \\ \\ 0.5 \: ea \: metade \: \\ \\ logo \: a \: metade \: \: e \: \\ \\ \frac{180}{2} = 90$