Предмет: Геометрия, автор: дашка296

помогите,
даю 26 балов!

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Автор ответа: Klaire
0
АВМ=140, МВС=40 гр, АВС=140/2=70=МВs , Sвс=70+40= 110 гр
2) АВ=28-7-7=14
3) АВС пер=(12-4)*2= 16
4 плохо видно рисунок
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