Предмет: Геометрия, автор: vlada00526

ПОМОГИТЕ ПОЖАЛУЙСТА ДАЮ 70БАЛОВ !!!
7. Дано куб АBCDA,B,C,D1. Побудуйте його переріз площиною, де точки М, N, iK - середини ребер AD, DC і ВВ, відповідно.​

Ответы

Автор ответа: rhfcfdtw
1

Відповідь:

Знаходимо точки,що лежать в однієї площині і будуємо пряму через ці точки: М і N.,з'еднуємо.

Потім,будуємо дві прямі,що перетинаються: подовжуемо  ребро ВА і відрізок  МN, перетин точка J і точка К лежать тепер в однієї площині,з'єднуемо їх,точка G точка М-лежать в однієї площині,з'еднуємо їх,

Подовжуемо  відрізки  МN та  BC до перетину в точці F,тоді

точки   Fі К належать тепер однієї площині,з'еднуємо їх, точки Е і N також лежать в однієї  площіні,з'еднуемо,отримуємо

переріз GKENM   куба АВСDA1B1C1D1

Пояснення:

Приложения:

Milkkkkkaaaaaaaa: Поможіть будь ласка з геометрії останнє завдання в профілі
vlada00526: спасибо огромное)
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