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2下 4-2 平行四邊形

Authored by 康軒數位 康軒數位

Mathematics

8th Grade

Used 29+ times

2下 4-2 平行四邊形
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

50°

60°

120°

130°

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

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

Media Image

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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