Предмет: Математика, автор: valentinamalyseva928

5. Длина прямоугольника в 3 раза больше ширины. Найди площадь и периметр. b 2 см 1 см 3 см a a = b. 3 b Р S​

Аноним: Я ничо не поняла в задаче какая ширина?

Ответы

Автор ответа: Legend7of7nazivin
4

Ответ:

При b=2см

а=2*3=6см

P=6*2+2*2=12+4=16см

S=2*6=12см²

При b=1см

а=1*3=3см

P=1*2+3*2=2+6=8см

S=1*3=3см²

При b=3см

 а=3*3=9см

P=9*2+3*2=18+6=24см

S=9*3=27см²

valentinamalyseva928: спасибо
redisca2: привет
redisca2: а шо так много?
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