
垂径定理与圆内接四边形
Quiz
•
Mathematics
•
9th Grade
•
Medium
J3L00 黄世基NG
Used 5+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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
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
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
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
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
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
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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