In a circle with radius $6.3\, cm ,$ a minor arc subtends an angle of measure $40$ at the centre. The area of the minor sector corresponding to that arc is $\ldots \ldots cm^{2}$.
In a circle with radius $6.3\, cm ,$ a minor arc subtends an angle of measure $40$ at the centre. The area of the minor sector corresponding to that arc is $\ldots \ldots cm^{2}$.
- A
$27.72$
- B
$6.93$
- C
$46.2$
- D
$13.86$
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