simple arithmatic

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in sexagesimal method 1 rtangle =90 degrees then 0.942387rtangle =?

actually in unitary method 1 is the least count but if we get something like .95,.88.How to calculate this?

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Clearly, if $1\unicode{x221F} = 90 \unicode{xb0}$,

$0.942387 \unicode{x221F} = 0.942387$ x $90 = 84.81483 \unicode{xb0}$

Also, $84.81483 \unicode{xb0} = 84\unicode{xb0} 48`53``$