下列有關等腰三角形的敘述,共有幾個是錯誤的? (1)底角必是銳角 (2)頂角必為銳角 (3)過頂點的中線也垂直底邊 (4)底邊的中垂線必過頂點
八下3-4 三角形的全等

Flashcard
•
Mathematics
•
8th Grade
•
Hard
Yao Jamie
FREE Resource
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24 questions
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1.
FLASHCARD QUESTION
Front
Back
1
2.
FLASHCARD QUESTION
Front
如圖
Back
如圖
3.
FLASHCARD QUESTION
Front
Back
8
4.
FLASHCARD QUESTION
Front
若等腰三角形頂角的外角為120°,則此三角形也為下列何種圖形?
Back
正三角形
5.
FLASHCARD QUESTION
Front
以下敘述何者錯誤?
1. 正六邊形的每一個外角都會相等
2. 兩個正三角形一定會全等
3. 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
4. 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
Back
兩個正三角形一定會全等
6.
FLASHCARD QUESTION
Front
Back
7.
FLASHCARD QUESTION
Front
如圖
Back
67.5°
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