https://theconversation.com/profiles/123movies-the-call-of-the-wild-2020-hd-full-movie-online-free-1097421
https://theconversation.com/profiles/watch-shazam-2019-hd-full-movie-online-free-123movies-1097422
https://theconversation.com/profiles/watch-rogue-one-a-star-wars-story-2016-hd-full-movie-online-free-123movies-1097425
https://theconversation.com/profiles/watch-the-captain-2019-hd-full-movie-online-free-123movies-1097429
https://theconversation.com/profiles/watch-the-lighthouse-2019-hd-full-movie-online-free-123movies-1097430
https://theconversation.com/profiles/watch-the-irishman-2019-hd-full-movie-online-free-123movies-1097431
https://theconversation.com/profiles/watch-the-secret-life-of-pets-2-2019-hd-full-movie-online-free-123movies-1097432
Объяснение:
Пусть ширина - х дм, тогда длина - 3,4 х дм.
Составим уравнение для поиска периметра такого прямоугольника:
(х + 3,4 х) х 2 = 6,6
8,8 х = 6,6
х = 6,6 :8,8
х = 0,75 (дм) - ширина. Длина: 0,75 х 3,4 = 2,55 (дм)
Ответ: стороны прямоугольника - 2,55 дм и 0,75 дм.