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Question

What is the length of an arc of a circle with a radius of 5 if it subtends an angle of 60o at the center?

A
3.14
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B
5.24
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C
10.48
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D
2.62
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Solution

The correct option is B 5.24
Given:
Radius (r)=5
Angle =60o

Arc length for a particular angle we can write as -
=θ360×(2πr)

=60360×2π×5

=10π6=5.24

Option 'B'.

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