若一條直線是另一條線段的中垂線,則它們的夾角為多少度?
垂直對稱三視圖

Quiz
•
Mathematics
•
7th Grade
•
Medium
行星 小
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪個圖形有無限多條對稱軸?
長方形
正三角形
圓形
梯形
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪個圖形只有一條對稱軸?
長方形
等腰三角形
正方形
圓形
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
∠CAE=?度
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如圖,A、B、C、D、E為五邊形的五個頂點。
下列哪一個標示不可以表示此五邊形?
五邊形CBAED
五邊形DEABC
五邊形CBADE
五邊形DCBAE
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列何者為B點到直線L的距離?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2.5
5
7.5
10
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
右圖是一個立體圖形,其右視圖是哪一個?
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