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26 Mar 2020
The figure shows a circular arc of length s and a chord of length d, both subtended by a central angle θ. Find![](data:image/png;base64,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)
![](data:image/png;base64,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)
The figure shows a circular arc of length s and a chord of length d, both subtended by a central angle θ. Find
Jean KeelingLv2
23 May 2020