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13. 小翔有 公分五種長度的竹籤且每種各一枝,請問小翔可以將這五枝竹籤排出幾種不同(三邊等長的三角形視為同一種)的直角三角形? (提示:三邊長滿足畢氏定理的三角形,即為直角三角形) (A)一種 (
問題詳情
13. 小翔有
公分五種長度的竹籤且每種各一枝,請問小翔可以將這五枝竹籤排出幾種不同(三邊等長的三角形視為同一種)的直角三角形?
(提示:三邊長滿足畢氏定理的三角形,即為直角三角形
)
(A)一種
(B)兩種
(C)三種
(D)四種。
參考答案
答案:B
難度:
計算中
-1
書單:
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直角三角形邊長符合畢氏定理,兩股平方合=...
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12. 已知 x2+ax+b=(x+p)(x+q) ,其中 p✖ q 0, 則下列選項何者正確?(A) a > 0且b > 0 (B) a > 0且b > 0 (C) a
下一篇 :
14. 已知一直角三角形兩股長分別為 49 和168,則斜邊長為? (A) 175 (B) 185 (C) 195 (D) 217 。
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【題組】18. (A) has taken (B) took (C) takes (D) is taking
【題組】19. (A) playing (B) played (C) to play (D) have played
【題組】20. (A) walk (B) walking (C) were walking (D) have walked
【題組】21. (A) will get (B) get (C) got (D) am getting
【題組】23. (A) boring (B) bored (C) bores (D) bore