помогите пожалуйсто!дам сколько смогу баллов! номер 14(б) и 15(а,б)

помогите пожалуйсто!дам сколько смогу баллов! номер 14(б) и 15(а,б)
- Предмет:
  Математика
- Автор:
  dirty harryi6hf
- 5 лет назад

Ответы 2

14(б) периметр 1)25+25+20=70 см. 2) 60+70+60=190 3)25+25+20+10+10=90 4)90+190=280
- Автор:
  shyanne
- 5 лет назад
- 0
14(б) S1)25+25+20=70(см)-длина2)20*10=200(см2)-S достроенного куска3)60*70=420(см2) -S фигуры без этого куска4)420-200=220(см2) общая площадь
- Автор:
  javier
- 5 лет назад
- 0
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помогите пожалуйсто!дам сколько смогу баллов! номер 14(б) и 15(а,б)

Ответы 2

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