65 . ...
, -...
. ...
... ... ...
" " , " &q...
( 123340 )
↓
.
,
– 26
– 28
– 24
D.
. =CD=30 ( + 2 ): 28+2=30.
. AD==26 ( ).
. AD BC . 1 .
. 1 – 2. 2 DC – .