九上數學三段-外心

九上數學三段-外心

9th Grade

12 Qs

quiz-placeholder

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九上數學三段-外心

九上數學三段-外心

Assessment

Quiz

Mathematics

9th Grade

Medium

Created by

蔡佩旻 蔡佩旻

Used 1+ times

FREE Resource

12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

32π

64π

16π

8π

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

5

169/24

12

169/12

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

ABC中,O點為外心,若∠BOC150°,則∠BAC= ?

75度

105 度

150度

75或105 度。

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

18根號3

9根號3

12根號3

36根號3

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

169/10

169/12

12

10

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

O點為△ABC的外心,且 OA=5x-8、 OB=3x+8,則下列何者錯誤?

x=8

OA=32

OB=32

OC=16

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

80°

120°

130°

160°

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