F.3 CH12 三角學的應用 Quiz
Authored by 蕭宇倫先生 Xiao Alan
Mathematics
9th - 12th Grade
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29 questions
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1.
FILL IN THE BLANK QUESTION
1 min • 1 pt
一隻蝸牛沿着傾斜的筆直樹枝往上爬行了37cm，牠所爬行的鉛垂距離是12cm。求牠所爬行的水平距離。
2.
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1 min • 1 pt
3.
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1 min • 1 pt
4.
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1 min • 1 pt
5.
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1 min • 1 pt
6.
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1 min • 1 pt
在圖中，AB和BC代表一項雜技表演所用的兩條直路。已知AB的傾角是5° ，ANC成一直線，BN⊥AC，BN=1m和AC=20m。求BC的斜率，準確至兩位小數。
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在圖中，AB和BC代表一項雜技表演所用的兩條直路。已知AB的傾角是5° ，ANC成一直線，BN⊥AC，BN=1m和AC=20m。求BC的斜率，準確至兩位小數。
AB
BC
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