Предмет: Математика, автор: erezhepbaevbekzat

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Автор ответа: inkartasylbek58

0

d×7м=105м2

d=105м2÷7м

d=15м

P=(15+7)×2=44м

Жауабы: 15м - залдың ұзындығы, 44м - залдың периметрі

Автор ответа: iramazurk

0

Пошаговое объяснение:

Площадь = 105 м²

Длина = 7 м

Ширина = d м

d = 105 : 7 = 15 м

Р = (7 + 15) * 2 = 22 * 2 = 44 м

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