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Ответ

Автор - gsemmail

1)если площадь равна 35 мˆ2, то сторона ab = 35 : 5 = 7

2) периметр равен 7+5+(7-5)+5+5+5+5=25+7+2=34

3) площадь равна 5 * (7-5):2 = 5*2 :2 = 10 : 2 = 5 смˆ2

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