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21. 如右圖,△ABC 中,∠ABC=90°,G 點為△ABC 的重心,若 公分, =4 公分,則四邊形 CDGE 的面積為多少平方公分? (A) 8 (B) 10 (C) 12 (D) 14
問題詳情
21. 如右圖,△ABC 中,∠ABC=90°,G 點為△ABC 的重心,若
公分,
=4 公分,則四邊形 CDGE 的面積為多少平方公分?
(A) 8
(B) 10
(C) 12
(D) 14
參考答案
答案:A
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X(A)物質X匱乏時,冰棒即是美食☆ →...
上一篇 :
19. 化簡 ,可得下列哪一個結果? (A)-7x+7 (B)-7x+11 (C) (D)
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1. 青蛙的體色、豌豆莖的高矮或種子的顏色等,都是生物體的特性,這在遺傳學上稱為什麼? (A)外型 (B)特質 (C)特性 (D)性狀。
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