平行四邊形ABCD中,∠A=(3x+5)°,∠B=(10x-20)°,則∠D=?
2下 4-2 平行四邊形

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
50°
60°
120°
130°
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
如圖,在直角坐標平面上,ABCD為平行四邊形,已知A(1 , 6),B(a , b),C(8 , -6),D(7 , 6),則坐標(a , b)為何?
(2 , -6)
(-6 , 2)
(-2 , 6)
(6 , -2)
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪一組角度可能是平行四邊形的四個內角度數?
50°,130°,60°,120°
50°,130°,30°,150°
60°,120°,120°,60°
60°,80°,120°,100°
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
如圖,平行四邊形ABCD中,若∠A=(3x-10)°,∠B=(5x+30)°,∠C=(x+30)°,∠D=(4x+50)°,
則∠B-∠C=?
40°
55°
60°
80°
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
16
26
32
44
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
135°
120°
90°
60°
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列何者不能說明四邊形為平行四邊形?
兩組對角相等
兩組對邊相等
兩組對邊平行
一組對邊相等,另一組對邊平行
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