the radius of a sector is 21cm and its central angle 120degree. find the length of the arc
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3
Answer:
44 cm
Step-by-step explanation:
Length of arc =
Answered by
8
l= 120°/360°x2πr(21)
l= 1/3 x2 x22/x21
l= 1/3 x2 x22/x21
l=2x22
l= 44
Therefore, the length of the arc of the circle is 44 cm.
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