Find the length of the arc of a sector whose radius is 11 cm and central angle is 315°.
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Find the length of the arc of a sector whose radius is 11 cm and central angle is 315°.
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Answer:
answer of this quastion is
The area ofthe lenght of arc is = ¤/360*2πr
120/360*2*22/7+21
1/3*2*22/7*21
2*22/7*21
2*22
44 is the answer
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