The radius of the sector is 21 cm and its central angle is 120 degree then the the length of the arc of a circle is
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Answer:The radius of the sector is 21 cm and its central angle is 120 degree then the the length of the arc of a circle is
Therefore, the length of the arc of the circle is 44 cm
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A radius of a sector is 21 cm center angle is 120 find length area perimeter
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