If in two circles, arcs of the same length subtend angles 60° and 75° at the centre, find the ratio of their radii.

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asked Dec 25, 2016 in Mathematics by sforrest072 (157,439 points) 63 451 1305

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answered Dec 25, 2016 by sforrest072 (157,439 points) 63 451 1305
 
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Solution below:

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