ce maths
2011-07-24 11:45 pm
回答 (1)
2011-07-25 12:15 am
✔ 最佳答案
49.Bysine law,
AC : AB = sinB : sinC
AC : 8 = 5 : 6
6AC = 5 x 8
6AC = 40
AC = 6 and 2/3
The answer is B.
參考: 土扁
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