九上數學三段-M

九上數學三段-M

9th Grade

15 Qs

quiz-placeholder

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九上數學三段-M

九上數學三段-M

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Medium

Created by

蔡佩旻 蔡佩旻

Used 1+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

15

13

12

20

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

坐標平面上直線4x+3y=12交x軸於A點,交y軸於B點。若O為原點,I為△AOB之內心,則△AIB的面積=?

2

5/2

4

5

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

18

24

36

48

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

ABC中,∠C=90°,且△ABC的重心到外心的距離為2 cm,則=? 

6 cm

8 cm 

10 cm

12 cm

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

在△ABC中,∠B=90°,AB=3,BC=4。若G為其重心,則G點到的距離為多少?

2/5

5/3

4/5

5/6

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

在坐標平面上,△ABC的三頂點坐標分別為A ( 3 , 1 )、B ( -1 , 1 )、C ( -1 , -2 ),ABC的內切圓圓心坐標為何? 

( 0 , 0 )

( -1.5 , 0 )

( 0 , 1 )

( -0.5 , -1.5 )

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

已知O點為鈍角△ABC的外心,AB=AC=10,BC=16,求△ABC的外接圓半徑=?

25/3

8

8/3

5

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