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
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🤷

