
平行四邊形
Authored by 數學 老師
Mathematics
3rd Grade
Used 2+ times

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5 questions
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1.
MULTIPLE SELECT QUESTION
1 min • 10 pts
下列哪些性質可以判定一個四邊形一定是平行四邊形?
兩對角線互相平分
兩雙對邊平行
一雙對邊等長且平行
對角互補
兩雙對邊分別相等
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
□ ABCD中,下列敘述何者錯誤?
△ABO △COD
△ABO △AOD
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
判斷它是不是平行四邊形,為什麼?
是,因為兩組對邊平行
不是,因為兩組對邊不平行
是,因為對角相等
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
判斷它是不是平行四邊形,為什麼?
是,因為一組對邊平行且相等
是,因為一組對邊平行,另一組對邊相等
不是,因為只有一組對邊平行
不是,因為只有一組對邊平行且相等
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
它是平行四邊形,且∠B+∠D=210°,求∠A=?度
70
75
90
105
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