2下 3-4 垂直平分線與角平分線的性質

Quiz
•
Mathematics
•
8th Grade
•
Hard
康軒數位 康軒數位
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
以上敘述皆正確
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
在等腰三角形ABC中,若∠A=80°時,則∠B不可能是下列哪一個角度?
80°
60°
50°
20°
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
正三角形
直角三角形
等腰直角三角形
等腰三角形
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
∠A可能是鈍角
∠B=∠C
∠B可能是鈍角
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
∠B=∠C≠∠A
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列有關等腰三角形的敘述,何者錯誤?
兩邊上的高相等
兩底角相等
兩腰上的中線等長
兩底角的平分線等長
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列關於等腰三角形的敘述,何者錯誤?
等腰三角形的兩底角相等
等腰三角形底角的平分線會垂直其所對的邊
等腰三角形頂角的角平分線會垂直平分底邊
等腰三角形兩腰上的高會相等
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