Convert the Given Angle Measure into Degrees and Decimal Fractions $81 ^ { \circ } 29 ^ { \prime } 48 ^ { \prime \prime }$

Multiple Choice

Convert the given angle measure into degrees and decimal fractions of a degree.
- $81 ^ { \circ } 29 ^ { \prime } 48 ^ { \prime \prime }$

A) $81.507 ^ { \circ }$
B) $81.457 ^ { \circ }$
C) $81.497 ^ { \circ }$
D) $81.557 ^ { \circ }$