Для определения площади параллелограмма достаточно трёх точек.
Площадь равна модулю векторного произведения векторов АВ и ВС.
Находим векторы ВА и ВС.
ВА = (-3-2; 1-6) = (-5; -5),
ВС = (7--2; -1-6) = (5; -7)
Находим векторное произведение ВА и ВС.
i j k| i j
-5 -5 0| -5 -5
5 -7 0| 5 -7 = 0i + 0j + 35k - 0j - 0i + 25k = 0i + 0j + 60k.
Найдем модуль вектора:
|c| = √(cx² + cy² + cz²) = √(0² + 0² + (-60)²) = √(0 + 0 + 3600) = √3600 = 60
Найдем площадь параллелограмма:
S = 60.
120градусів
Объяснение:
https://inverell.nsw.gov.au/wp-content/uploads/formidable/19/watch-monster-hunter-2021-hd-full-free.pdf
https://inverell.nsw.gov.au/wp-content/uploads/formidable/19/Watch-Godzilla-vs-Kong-hd-Online-Free.pdf
https://inverell.nsw.gov.au/wp-content/uploads/formidable/19/Movies-Free-Watch-Wrath-of-Man-Movie-2021-Online-Full-Free-13-May-2021-HD.pdf
https://inverell.nsw.gov.au/wp-content/uploads/formidable/19/Movies-Free-Watch-godzilla-vs-kong-Movie-2021-Online-Full-Free-13-May-2021-HD.pdf
https://inverell.nsw.gov.au/wp-content/uploads/formidable/19/Movies-Free-Watch-Mortal-Kombat-Movie-2021-Online-Full-Free-13-May-2021-HD.pdf
https://inverell.nsw.gov.au/wp-content/uploads/formidable/19/Movies-Free-Watch-Nobody-Movie-2021-Online-Full-Free-13-May-2021-HD.pdf
https://inverell.nsw.gov.au/wp-content/uploads/formidable/19/Movies-Free-Watch-Separation-Movie-2021-Online-Full-Free-13-May-2021-HD.pdf
https://inverell.nsw.gov.au/wp-content/uploads/formidable/19/Movies-Free-Watch-The-Unholy-Movie-2021-Online-Full-Free-13-May-2021-HD.pdf
https://dcm.shivtr.com/forum_threads/3423791?post=14644478#forum_post_14644478
https://note.com/animakjil/n/n5b34763990b3
https://paiza.io/projects/eZbmZMRQ3wOIwq2LvQYM9A
https://paiza.io/projects/LjRIqs7j5V7Enuh2zTeIwQ
https://caribbeanfever.com/profiles/blog/list?user=1kglmvd0h4e48
https://caribbeanfever.com/profiles/blogs/corona-romadhan-frankish-merovingian-kings
https://note.com/animakjil/n/n0406719bc4e3
https://caribbeanfever.com/profiles/status/show?id=2663233%3AStatus%3A12704465
http://www.4mark.net/story/3663175/watch-nobody-movie-2021-online-full-free-13-may-2021-hd
https://www.onlinegdb.com/edit/SJypNbsuu
https://indexbacklink.cookpad-blog.jp/articles/600702
https://m.mydigoo.com/forums-topicdetail-272877.html
14х+4+12х+6=140
26х=140-4-6
26х=130
х=130÷26
х=5
14×5+4=70+4=74
12×5+6=60+6=66
74+66=140
ответ С=74, В=66