Question

1 radian $=\dots A\dots =57^{\circ }16^{\prime }$ approximately. Here, $A$ refers to

• A. $\frac{180^{\circ }}{\pi }$
• B. $\frac{360^{\circ }}{\pi }$
• C. $\frac{90^{\circ }}{\pi }$
• D. None of these

Answer 1

Answer: (A)

$\because 1$ radian $=\frac{180^{\circ }}{\pi }=57^{\circ }16$ (approx)
$\therefore$ A refers to $\frac{180^{\circ }}{\pi }$