垂径定理与圆内接四边形

垂径定理与圆内接四边形

9th Grade

10 Qs

quiz-placeholder

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垂径定理与圆内接四边形

垂径定理与圆内接四边形

Assessment

Quiz

Mathematics

9th Grade

Medium

Created by

J3L00 黄世基NG

Used 5+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

如图所示,O是圆心,CD⊥AB,若AB长16cm,PD长4cm,求此圆的半径。

10

12

14

20

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

如图所示,O是圆心,P是AB的中点,若此圆的半径为4,求弦AB的长度。

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

如图所示,O是圆心。已知AB⊥OM,ON⊥CD,AB=12cm,OM=8cm,CD=16cm。求CD的弦心距。

6cm

8cm

10cm

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

如图所示弦AB与弦CD平行。AB=16cm,CD=12cm,若半径=10cm,求AB与CD的距离。

1cm

2cm

3cm

4cm

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

如图所示,O为圆心,直径CD=26cm,∠ADC=∠BDC,AB=24cm。求ΔADB的面积。

624

108

216

432

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

如图所示,ABCD是圆内接四边形,求x的值

20°

30°

40°

10°

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

如图所示,ABCD是圆内接四边形,且AD=AB。求x的值

32°

52°

58°

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