已知平面上三相異直線L1、L2、L3,試判斷下列敘述中,哪些是正確的?(畫出來!!!!!!!!!!!!!!)
甲:若L1與L2沒有交點,則L1//L2
乙:若L1//L3,且L2//L3,則L1//L2
丙:若L1⊥L3,且L2⊥L3,則L1⊥L2
丁:若L1//L3,且L2⊥L3,則L1//L2
804的4-1平行作業2
Quiz
•
Mathematics
•
8th Grade
•
Easy
葉 冠萱
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10 questions
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1.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
已知平面上三相異直線L1、L2、L3,試判斷下列敘述中,哪些是正確的?(畫出來!!!!!!!!!!!!!!)
甲:若L1與L2沒有交點,則L1//L2
乙:若L1//L3,且L2//L3,則L1//L2
丙:若L1⊥L3,且L2⊥L3,則L1⊥L2
丁:若L1//L3,且L2⊥L3,則L1//L2
甲、乙
乙、丙
丙、丁
甲、丙
2.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
已知直線L1//L2,L2⊥L3,則下列敘述何者正確?(畫出來!!!!!!!!!!!!!)
L1//L3
L1⊥L3
L1與L3永不相交
L1、L2、L3相交於一點
3.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
24
30
48
60
4.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
10
12
15
28
5.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
6.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
(認真算!!!!!!!!!)
7.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
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