Предмет: Математика, автор: prostotop227

Периметр треугольника 186 мм. Длина одной стороны 42 мм, а второй - в 2 раза больше. Чему равна третья сторона?

Ответы

Автор ответа: kotovniknastya

0

ответ

60мм

Пошаговое объяснение:

186мм=18см6мм

42мм=4см2мм

42×2=84мм

84мм=8см4мм

84+42=126

186-126=60мм

Автор ответа: bekbolataiasem

0

Ответ:

60 мм или 6 см

Пошаговое объяснение:

1 сторона - 42мм

2 сторона - 42×2=84мм

3 строна - 186-(42+84)=60мм/6см

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