Ответ:
Объяснение:
∠A=∠C =90°
∠CBE=∠DBA
DA/EC = AB/CB 6/4,5 = 8/X X=4.5×8/6=6 BC =6
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Ответ:
Объяснение:
∠A=∠C =90°
∠CBE=∠DBA
DA/EC = AB/CB 6/4,5 = 8/X X=4.5×8/6=6 BC =6