The degree measure of 1 radian (taking $\pi$ = $\frac{22}{7}$) is
1). $57^{0}61'22"$ (approx)
2). $57^{0}16'22"$ (approx)
3). $57^{0}22'16"$ (approx)
4). $57^{0}32'16"$ (approx)
.$\pi$ = radian = 180°
1 radian =$\frac{180}{\pi}$
$\frac{180\times7}{22}$
= 57 16$\frac{4}{11}$ X 60 = 57°16,22
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