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805的4-1進階測驗(0601)

Authored by 鄭宇清 鄭宇清

Mathematics

8th Grade

Used 1+ times

805的4-1進階測驗(0601)
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10 questions

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1.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

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如圖, \overline{AE}  //  BD\overline{BD}   ,C在 \overline{BD} 上。若  \overline{AE}   =5,  \overline{BD} =8,△ABD的面積為24,則△ACE的面積為多少?

13

15

24

30

2.

MULTIPLE SELECT QUESTION

1 min • 1 pt

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如圖,下列敘述何者『錯誤』?【第二次練習】

∠1和∠4是內錯角

∠2和∠7是同側內角

∠4和∠8是同位角

∠5和∠7是同側內角

3.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

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如圖,∠2=∠B,且 \frac{1}{2}  ∠B=∠A= 23\frac{2}{3}  ∠C,則∠1=?

45°

50°

55°

60°

4.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

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如圖,若L // M,則∠1=?

46°

47°

66°

67°

5.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

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如圖,△ABC中,∠ABC、∠ACB的角平分線相交於F,過F點作 \overline{BC}  的平行線交 AB\overline{AB}  、 AC\overline{AC}  於E、D兩點,若∠ABC=70°,∠ACB=50°,則∠1+∠2=?

55°

60°

65°

75°

6.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

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圖中有直線L截過兩直線L1L2後所形成的八個角。由下列哪一個選項中的條件可判斷L1 // L2

∠2+∠4=180°

∠3+∠8=180°

∠5+∠6=180°

∠7+∠8=180°

7.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

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如圖, \overline{AB}  // CD\overline{CD}  , EF\overline{EF}  平分∠BEG, FG\overline{FG} 平分∠EGD,則△EFG是哪一種三角形?

等腰三角形

直角三角形

鈍角三角形

以上皆有可能

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