九年級上學期數學外心內心重心
Authored by FaHui Xie
Mathematics
9th Grade
Used 8+ times
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23 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
若一個三角形之外接圓半徑為6，則此三角形之外心到三頂點的距離總和為多少？
3
6
9
18
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列有關三角形外心的敘述，何者正確？
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
邱老師要學生們針對三角形的外心位置作論述，則下列哪一位同學的說法正確？
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
陳老師在黑板上畫了一個三角形，要翰翰找出此三角形的外接圓的圓心。請問翰翰該如何作才對？
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
若 A、B、C 三個鄉鎮不在同一直線上，要設立一個購物中心 O，使之到三個鄉鎮等距離，則 O 為△ABC 的什麼心？
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