[計量] One side of a triangle has length 6 …

看板GRE作者KirinGuess (Kirin)時間15年前 (2009/04/02 21:46)推噓5(5推 0噓 1→)

留言6則, 5人參與討論串1/2 (看更多)

One side of a triangle has length 6 and a second side has length 7. Which of the following could be the area of this triangle? I. 13 II. 21 III. 24 (A) I only (B) II only (C) III only (D) I and II only (E) I, II, and III. Ans: D 請問這題要怎麼快速算出來，麻煩大家解答了，謝謝。 -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 59.127.21.174 ※ 編輯: KirinGuess 來自: 59.127.21.174 (04/02 21:46)

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eadanlin

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