
翰林國中數學2下CH3-4-中垂線與角平分線性質

Quiz
•
Mathematics
•
8th Grade
•
Medium
翰林數學 翰林數學
Used 15+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如圖,在梯形ABCD中, // ,∠A=90°, =6, =10。若作 的中垂線恰可通過B點,則 ?
8
9
12
18
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下敘述何者錯誤?
正六邊形的每一個外角都會相等
兩個正三角形一定會全等
有一點到角的兩邊距離相等,則此點會在這個角的角平分線上
有一點到線段的兩端距離相等,則此點會在這個線段的中垂線上
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如圖,已知四邊形ABCD中,L為 的中垂線,P為L上任意一點,則下列哪一個等式恆成立?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如圖,已知 =40,C點在 的垂直平分線上,且△ABC的周長為98,求△ABC的面積=?
200
320
400
420
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如圖,已知 是∠ABC的角平分線,且 ,則∠A+∠C=?
150°
180°
210°
無法求得
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
已知P、Q、R三點不在同一直線上,O為 、 中垂線的交點。若 =13公分,則 =?
26公分
35公分
39公分
條件不足,無法求得
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如圖,△ABC中, 是 上的高,若 =13, =10, =15,則 =?
3
4
5
6
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