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Grade: 12

                        

Find the radius of the circle in which a central angle of 60° intercepts an arc of length 37.4 cm (use π = 22/7).

2 months ago

Answers : (1)

Anand Kumar Pandey
askIITians Faculty
1412 Points
							Welcome to AskIITians

Given,

Length of the arc = l = 37.4 cm

Central angle = θ = 60° = 60π/180 radian = π/3 radians

We know that,

r = l/θ

= (37.4) * (π / 3)

= (37.4) / [22 / 7 * 3]

= 35.7 cm

Hence, the radius of the circle is 35.7 cm.

Thanks
2 months ago
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