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10. 如圖,正六邊形ABCDEF的內心為I,且 =10,則正六邊形的內切圓面積=?(A) 50π(B) 75π(C) 100π(D) 120π
問題詳情
10. 如圖,正六邊形ABCDEF的內心為I,且
=10,則正六邊形的內切圓面積=?
(A) 50π
(B) 75π
(C) 100π
(D) 120π
參考答案
上一篇 :
11.坐標平面上,直線 12x+5y=60 交 x 軸於 A 點,交y 軸於 B 點。若 O 為原點,I 點為△AOB 的內心,則△AIB 的面積=?(A) 13 (B) 12 (C) 15 (D)
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1. Restriction enzymes are invaluable tools in gene cloning because :(A) they cut both strands of DN
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