
平行线的应用
Authored by David Zhang
Mathematics
7th Grade
Used 1+ times

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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
剪断一根纸条,剩下的部分如左图所示。剪掉的部分是第几根?
1
2
3
4
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
∠ 1 = ∠A
∠2 = ∠B
∠1 = ∠B
∠1 + ∠2 = ∠A + ∠B
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
∠ 1 = ∠A
∠A + ∠ B = 180° - ∠ACB
∠2 = ∠ 1
∠ 2 = ∠ B
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
△ABC中,∠A = ∠B = 40°,∠C = __
40°
60°
80°
100°
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A向南偏东30°方向前进,B向哪个方向前进,AB两个人路线平行?
东偏南30°
东偏南60°
北偏西60°
北偏东30°
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
图中是一个机械结构,AB//CD,BC//AD. 已知∠CBX = 72°,以下不正确的是
∠C = ∠A = 72°
∠ ADY = 72°
∠ ADC = 72°
∠ADY = ∠C
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
图中是一个对称的屋顶,BG和DF都是竖直的墙壁. 已知∠ACE = 106°,求x.
74°
37°
53°
26°
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