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# help

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calculate the are of a sector with a radius of 5cm and an angle of 40 degrees

Guest Apr 25, 2017
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calculate the area of a sector with a radius of 5cm and an angle of 40 degrees

$$A=\pi\ r^2\cdot\frac{\alpha}{360°}=\pi\cdot 5^2cm^2\cdot\frac{40°}{360°}$$

$$A=8.727\ cm^2$$

!

asinus  Apr 25, 2017

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