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國中數學2下CH3

Authored by 林曉彤 林曉彤

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7th - 9th Grade

Used 49+ times

國中數學2下CH3
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30 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

如圖所示,兩直線交於一點,若∠1=(4x+72)°,∠4=(3x-18)°,則∠3為多少度?

36°

126°

144°

145°

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

如圖,五邊形ABCDE中,∠B和∠D的外角均為直角,∠C的外角是60°,∠A=85°,則∠E=?

 150°150\degree  

 155°155\degree  

 160°160\degree  

 165°165\degree  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

已知∠A和∠B互補,若∠A=62°,∠B=(2x+16)°,則x=?

57

51

43

17

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

如圖,直線L與M交於一點,已知∠1=89°,則下列敘述何者有誤?

∠2=91°

∠1是∠3的對頂角

∠3=89°

∠2與∠4兩角互補

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

已知 AB\overline{AB}  =11.4公分,拿一把有刻度的尺,將A點對在2.4的位置,請問B點所對的刻度為何?
 

9

11.4

13

13.8

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

如圖, AO\overline{AO}  ⊥ BO\overline{BO}  , OC\overline{OC}  平分∠AOD, OE\overline{OE}  平分∠BOD,若∠AOC=10°,則∠1+∠2=?


20°

35°

40°

45°

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 BD\overline{BD}  為∠ABC的角平分線,若∠ABD=35°,則∠ABC=?

65°

70°

80°

90°

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