题目内容
用度表示下列各角.
(1)37°36″;
(2)51°6′;
(3)15°24′36″.
(1)37°36″;
(2)51°6′;
(3)15°24′36″.
(1)37°36″=37°+(
)′
=37°+0.6′
=37°+(
)°
=37°+0.01°
=37.01°;
(2)51°6′=51°+(
)°
=51°+0.1°
=51.1°;
(3)15°24′36″=15°24′+(
)′
=15°24′+0.6′
=15°+24.6′
=15°+(
)°
=15°+0.41°
=15.41°.
| 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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