Предмет: Математика, автор: ivankaivanysh66

знайти периметр трикутника якщо його середні лінії дорівнює 6 см 7 см і 9 см​

Ответы

Автор ответа: ira173752
1

Ответ:

12+14+18=44см

Пошаговое объяснение:

Середня лінія трикутника у два рази менша від паралельної їй сторони трикутника тому :

6см=12см

7см=14см

9см=18см

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