平面上不共線的相異5 點可決定多少條直線?
七下數學6-1垂直、線對稱與三視圖

Quiz
•
Mathematics
•
8th Grade
•
Easy
Bill Liu
Used 3+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
無限多
12
8
10
2.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
下列敘述何者錯誤?
有一個內角小於90° 的三角形就是銳角三角形
有一個內角等於90° 的三角形就是直角三角形
有一個內角大於90° 的三角形就是鈍角三角形
三內角相等的三角形就是正三角形
3.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
下面的英文字母中,哪一個是線對稱圖形?
M
N
S
Z
4.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
正五邊形共有幾條對稱軸?
3
4
5
6
5.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
已知AB 的垂直平分線L 交AB 於M 點,若AM =10 公分,則AB 為多少公分?
5
10
15
20
6.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
下列哪一個圖形不是線對稱圖形?
正三角形
正方形
圓形
正八邊形
7.
MULTIPLE CHOICE QUESTION
30 sec • 10 pts
關於線對稱圖形的性質,下列哪一個敘述正確?
若一個三角形是線對稱圖形,它一定是正三角形
在線對稱圖形中,對稱軸會垂直平分對稱點的連線段
長方形是線對稱圖形,對稱軸為兩條對角線
正方形是線對稱圖形,對稱軸為兩條對角線
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