50.6°1.25 mOpen image in a new page

Circular sector, radius 1.25 m, central angle 56°.

First we must convert `50.6°` to radians:

`50.6° = 50.6 × π/180 = 0.8831\ "radians"`

`"Area"=(theta\ r^2)/2`

`=(0.8831xx1.25^2)/2`

`=0.690\ "m"^2`

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