OA=OB=4 (радиусы), OM=10
BM =OM-OB =10-4 =6
AM =OM+OA =4+10 =14
CD=DM =x
По теореме о секущих
AM*BM =CM*DM
14*6 =2x*x => x=√42
CM =2x =2√42
OA=OB=4 (радиусы), OM=10
BM =OM-OB =10-4 =6
AM =OM+OA =4+10 =14
CD=DM =x
По теореме о секущих
AM*BM =CM*DM
14*6 =2x*x => x=√42
CM =2x =2√42