Răspuns :
Răspuns:
CD= 20-7.2=>CD=12.8, ABC-dr.,D€BC=> teorema catetei=>AB=radical BC×BD=>AB=radical 20×7.2
=>AB=>radical 144=> AB=12
ABC-dr., D€BC=> teorema catetei=> AC=BC×CD=>
=>AC=20×12.8=>AC=radical 256=>AC=16
Răspuns:
CD= 20-7.2=>CD=12.8, ABC-dr.,D€BC=> teorema catetei=>AB=radical BC×BD=>AB=radical 20×7.2
=>AB=>radical 144=> AB=12
ABC-dr., D€BC=> teorema catetei=> AC=BC×CD=>
=>AC=20×12.8=>AC=radical 256=>AC=16