Question

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Answer 1

Answer:

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Answer 2

perimeter of circle = 24cm

2πr. = 24

2 × 22/7 ×r = 24

44r/7 =24

r = 7×24/44

r = 3.81cm

length of arc = theta /360° × 2πr

= 30° / 360 × 2× 22/7 ×3.81

= 1/12 ×23.94

= 1.99cm

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