Предмет: Другие предметы, автор: len4ikys0408

Довжина однієї зі сторін прямокутника дорівнює 42 см, що на 14 см більше ніж довжина 2 сторони. знайдіть площу та периметр прямокутника

Ответы

Автор ответа: pollinsA

Объяснение:

42-14=28 (см) - ширина
(42+28)•2=140 (см) - периметр
42•28=1176 (см квадратних) - площа

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