Answer
$174^{\circ}15'18''$
Work Step by Step
$174.255^{\circ}=174^{\circ}+0.255^{\circ}$
$=174^{\circ}+0.255(60')$
$=174^{\circ}+15.3'$
$=174^{\circ}+15'+0.3(60'')$
$=174^{\circ}+15'+18''$
$=174^{\circ}15'18''$
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