平面上有一圓，圓心為　O，半徑為　8，另有一點　A　在圓內，若＝r，則有關於　r　的值，下列敘述何者正確？(A)　r＜(B)　r＝(C)　r＞(D)　r≧8。0

問題詳情

1. 平面上有一圓，圓心為　O，半徑為　8，另有一點　A　在圓內，若＝r，則有關於　r　的值，下列敘述何者正確？
(A)　r＜
(B)　r＝
(C)　r＞
(D)　r≧8。0

參考答案

答案：A
難度：計算中-1
書單：沒有書單，新增

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