15°24′36″= ___ °.

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Worked solution

1. 将秒转换为分

因为 1′=60′′1' = 60'',所以将 36′′36'' 转换为分:
36′′=(3660)′=0.6′36'' = \left(\frac{36}{60}\right)' = 0.6'

2. 合并分并将其转换为度

将得到的 0.6′0.6' 与原有的 24′24' 相加,得到 24.6′24.6'。因为 1∘=60′1^\circ = 60',所以将 24.6′24.6' 转换为度:
24.6′=(24.660)∘=0.41∘24.6' = \left(\frac{24.6}{60}\right)^\circ = 0.41^\circ

3. 合并度数得到最终结果

将求得的度数与 15∘15^\circ 相加:
15∘+0.41∘=15.41∘15^\circ + 0.41^\circ = 15.41^\circ

Answer

15.41

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