Предмет: Математика, автор: igor321009

Длина участка 8м 4дм,а ширина в 4 раза меньше.Найдите площадь и периметр участка.Вырази ответ в более крупные единицы

Ответы

Автор ответа: karimow220697

1

84:4=21
Sпр(84 х 21)=176м 4дм

karimow220697: забыл периметр

karimow220697: 84+21

karimow220697: Pпр(84+21) х 2=20м 5дм

Автор ответа: MeDveЖOHok22

0

сначало надо
1) 8м 4дм ето 84 дм 84 делим на 4 будет 21 тоисть длина 63 дм а ширина 21 дм тоисть 6м3дм и 2м1дм
2) ПЛОЩАДЬ-6м3дм умножить на 2м1дм будет 12м3дм
3)ПЕРИМЕТР- (6м3дм + 2м1дм) х 2 = 16м4дм
вот и все :3

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