Question

transformar 400°em rad

Answer 1

π  ⇒ 180°
x  ⇒ 400°

$x= \frac{400 \pi }{180} ~~~simplificando~~ \frac{400:20}{180:20} = \frac{20}{9} \\ \\ x= \frac{20 \pi }{9} rad$