An arc of a circle subtends an angle of 30° on the circumference of a circle of radius 21cm. Find the length of the arc.

a

11cm

b

22cm

c

44cm

d

66cm

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Explanation

Correct Option
b

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Discussions (9)

Zebrimin
1 year ago

I thought the formula for this question is length of an arc = °/360×2×22/7× radius,how come🤷

Kvngpetrez
5 years ago

wicked jamb lol
a careless student would use 30°

Tioluwaniiscool
1 year ago

IT IS HARD

ndubuisiemmanuel
5 years ago

good

Klitecee
1 year ago

The final answer should be 66cm and not 22cm please.

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