Question

Express the following angle in degree, minute, second.
$\frac{1}{5}$
it is 1/5 radian.

11th std​

Answer 1

Step-by-step explanation:

$\frac{1}{5} \times \frac{180}{\pi} \\ = \frac{36}{\pi} \\ = \frac{36}{ \frac{22}{7} } \\ \\ = \frac{36 \times 7}{22} \\ = \frac{18}{11} \times 7 \\ = 1.7 \times 7 \\ = 11.9$