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圓周角證明

圓周角證明

Assessment

Presentation

Mathematics

Practice Problem

Hard

CCSS
HSA.CED.A.1, HSA.REI.B.3, HSG.C.A.2

Standards-aligned

Created by

Hsiaowen Hsu

FREE Resource

2 Slides • 10 Questions

1

media

2

Multiple Select

如圖,AB 所對的圓周角有哪幾個?

1

∠ACB

2

∠ADB

3

∠AEB

4

∠BCE

3

Multiple Select

如圖,BC 所對的圓周角有哪幾個?

1

∠BAC

2

∠BDC

3

∠ACB

4

∠ADB

4

media

5

Multiple Select

如圖,AB 是圓的直徑,AF/OH = 55°,∠EAO = 55°,則下列敘述何者錯誤?

1

BH = 55°

2

F 為 AH 的中點

3

AF/OH = 70°

4

O 為圓心

6

Multiple Choice

Question image

What is the measure of angle A?

1

34°

2

180°

3

112°

4

79°

7

Multiple Choice

Find the value of x

1

100

2

105

3

95

4

90

8

Multiple Choice

Solve for x

1

117

2

63

3

13

4

121.5

9

Multiple Choice

在一個圓中,∠A1 = ∠A2 = ∠A3 = ___

1

1/2 BC

2

1/2 AD

3

1/2 BD

4

1/2 CD

10

Multiple Choice

圓心 O 在圓周角 ∠BAC 的外部時,∠BAD = 1/2 BD,∠CAD = 1/2 CD,則∠BAC = ___

1

1/2 BC

2

1/2 BD

3

1/2 CD

4

1/2 AD

11

Multiple Choice

圓心 O 在圓周角 ∠BAC 的內部時,∠BAD = 1/2 BD,∠CAD = 1/2 CD,則∠BAC = ___

1

1/2 BC

2

1/2 BD

3

1/2 CD

4

1/2 AD

12

Poll

您現在對這個話題有多大信心?

非常自信
有點自信
不自信
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