TVET CHNS,Eng,Maths
高中
已解决
求解?<(´⌯ ̫⌯`)>
2.如下圖,有一直角△ABC。若∠BAC=90°,∠C=60°,AC=8cm,
DBC之中點,則BD為
cm 9
Rem
如圖所示,經
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