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平行线的应用

Authored by David Zhang

Mathematics

7th Grade

Used 1+ times

平行线的应用
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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

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

Media Image

∠ 1 = ∠A

∠2 = ∠B

∠1 = ∠B

∠1 + ∠2 = ∠A + ∠B

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

∠ 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

Media Image

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

Media Image

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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