问题 解答题

用度表示下列各角.

(1)37°36″;

(2)51°6′;

(3)15°24′36″.

答案

(1)37°36″=37°+(

36
60
)′

=37°+0.6′

=37°+(

0.6
60
)°

=37°+0.01°

=37.01°;

(2)51°6′=51°+(

6
60
)°

=51°+0.1°

=51.1°;

(3)15°24′36″=15°24′+(

36
60
)′

=15°24′+0.6′

=15°+24.6′

=15°+(

24.6
60
)°

=15°+0.41°

=15.41°.

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