Question

the angle of the sector is 30 degree and the radius of the circle is 21 CM then the length of the arc of the sector is​

Answer 1

Answer:

length of arc = ∅/360 x πr²

length of arc = 30/360 x 22/7 x 21 x 21

length of arc = 1/120 x 22 x 3 x 21

length of arc = 11 /60 x 3 x 21

length of arc = 11 x 21 / 20

length of arc = 11.55cm

Answer 2

Answer:

11 cm

Step-by-step explanation:

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