Предмет: Математика, автор: лшка

решите задачу :прямоугольник шириной 7см а длина 12см найди площадь и периметр

Ответы

Автор ответа: michonok03
0
Р= (7+12)*2=38см
S=7*12=84см в кв
Автор ответа: лшка
0
это не полная хадача
Автор ответа: michonok03
0
Полная запись нужна?
Автор ответа: michonok03
0
P=(a+b)*2
Автор ответа: michonok03
0
S=a*b
Автор ответа: michonok03
0
a-7см b-12см P-? S-? Потом пишешь формулы и решение! В конце ответ P=38см; S=84см в квадрате!
Автор ответа: Про100Аделина
0
1) (12+7)×2=38(см)- периметр прямоугольника.
2)12×7=84(см2)- площадь прямоугольника.
Ответ:38см; 84см2.
Формулы:
P=(а+б)×2
S=а×б
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