初二數強_軸對稱

Quiz
•
Mathematics
•
8th Grade
•
Medium
蔡靖晴蔡靖晴 蔡靖晴蔡靖晴
Used 8+ times
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8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 5 pts
三角形ABC是一個等邊三角形,它的周長為24,則它的邊長是
72
8
6
48
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
如果等腰三角形的頂角為72度,則它底角的度數為
72
36
108
54
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
如圖,等腰三角形ABC中,AB=AC,AD是底邊上的高,若AB=5,BC=6,則DC=?
3
5
6
10
4.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
如圖,等腰三角形ABC中,AB=AC,AD是角BAC的平分線,AC=5,BD=2,求三角形ABC的周長.
10
12
14
16
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
點A(-2,8)關於x軸的對稱點是
(-2,-8)
(2,8)
(8,-2)
(-2,8)
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
點B(0,-2)關於y軸的對稱點是
(-2,0)
(0,-2)
(2,0)
(0,2)
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
如果點C(a,2)關於x軸的對稱點是D(1,b),則a+b=?
-1
0
1
2
8.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
如圖,三角形ABC中,若BC=10,BF=6,BC的垂直平分線分別交BC、AB於點E、F,則三角形BCF的周長
為
18
20
22
24
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