AK - ...

(a)  

Прямая c - ...

(a)  

AM - ...

(a)  

(a)  

AD - ...

(a)  

AC - ...

(a)  

Прямая m - ...

(a)  

AOB - ...

(a)  

 $KlM$  - ...

(a)  

CD - ...

(a)  

AB - ...

(a)  

ACD - ...

(a)  

 $AC=5,\ CB=9.\ AB=?$  

(a)  

∠2 = ...

(a)  

∠1= ...

(a)  

 $\beta-\alpha=50\degree.\ \alpha=...$  

(a)  

 $\angle1+\angle2+\angle3=320\degree.\ \angle2=...$  

(a)  

 $a\parallel b,\ \angle1:\angle2=7:3.\ \angle3=...$  

(a)  

 $CD\parallel AB,\ CB=10.\ OB=...$  

(a)  

 $\angle AOB=90\degree,\ AB=8.\ OK=...$  

(a)  

 $P_{ABD}=20.\ P_{ABC}=...$  

(a)  

 $AB=BC.\ \angle B=...$  

(a)  

 $\angle A=30\degree,\ AB=12.\ BC=...$  

(a)  

 $\angle A=60\degree,\ AC=4,5.\ AB=...$  

(a)