An umbrella has $8$ ribs which are equally spaced. Assuming the umbrella to be a flat circle with radius $56 \,cm ,$ the area between two consecutive ribs is $\ldots \ldots \ldots . cm ^{2}$
An umbrella has $8$ ribs which are equally spaced. Assuming the umbrella to be a flat circle with radius $56 \,cm ,$ the area between two consecutive ribs is $\ldots \ldots \ldots . cm ^{2}$
- A
$616$
- B
$308$
- C
$924$
- D
$1232$
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