Determine the angle at the center, in radians.

[chafid]

 

[Subhotosh Khan]

View attachment 25280

Do you know the relationship (in a circle) between subtended angle (Θ), radius and arc length?

Please show us what you have tried and exactly where you are stuck.

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Please share your work/thoughts about this problem.

 

[Jomo]

S=rΘ