TVET CHNS,Eng,Maths
Senior High
求解 謝謝
1
二、填充題(49%,每格了分)
1. 在AABC中,a、b和c分別表示ZA、B和ZC之對邊長,則AABC的面積
1
1
- =
B=
【課本例題11
2
2
- absin Carsin B-
c =
-
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