問題詳情
34. 圖(十六)表示一個時鐘的鐘面垂直固定於水平桌面上，其中分針上有一點 A，且當鐘面顯示 3 點 30 分時，分針垂直於桌面，A 點距桌面的高度為10公分。如圖(十七)，若此鐘面顯示 3 點 45 分時，A 點距桌面的高度為16公分，則鐘面顯示 3 點 50 分時，A 點距桌面的高度為多少公分？
(A) 
(B) 16 + π
(C) 18
(D) 19
參考答案
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