問題詳情

8. 如右圖,△ABC中,

= 5,

= 8,

= 3,

= 4.8若

= p,

= q,

= r,

= s,則下列何者正確 ?
(A) ps=rq  
(B) pq=rs  
(C) pr=sq  
(D) p2=qrs…….(1-1)



參考答案