Question

transforme em radiano os graus abaixo .
40°
36°
25°

Answer 1

pi rad --- 180°
   x ------  40°

180°x = 40° pi rad
x = 40° pi rad /180°
x = 2 pi / 9 rad

======================================

pi rad --- 180°
   x ------  36°

180°x = 36° pi rad
x = 36° pi rad /180°
x = 1 pi / 5 rad

======================================

pi rad --- 180°
   x ------  25°

180°x = 25° pi rad
x = 25° pi rad /180°
x = 5 pi / 36 rad

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