Треугольники за 20 минут до 11 класса

Sign up for the course: https://vk.cc/cyOfzZ or https://tg.global-ee.ru/54j My Telegram with files: https://tg.global-ee.ru/hkqtjp Our website: https://global-ee.ru Become a mentor on the course: https://forms.gle/rF2PJtoEe91J71Xq8 00:00 - ALL about triangles 00:20 - What types of triangles are there? 01:08 - What properties does a triangle have? 02:19 - What is an exterior angle? 02:50 - All about right triangles 06:46 - Proportional segments in a right triangle 07:18 - What is an isosceles triangle? 07:42 - What is a regular triangle? 08:14 - Signs of Congruence of Triangles 09:48 - What are similar triangles? 11:15 - What is a median? 12:12 - What is an altitude? 12:58 - What are the properties of a bisector? 13:20 - What is the midline of a triangle? 15:00 - What are the properties of the perpendicular bisector of a triangle? 15:24 - The Law of Sines 16:15 - The Law of Cosines 17:10 - What is a Circumscribed Circle? 18:10 - What is an Inscribed Circle? 18:50 - How to Find the Area of ​​a Triangle? 18:55 - Where Can I Find More Useful Information? I want you to have the opportunity to prepare even on your own. Study the materials on the channel, watch video tutorials of the problems you need. Global_EE Curiosity changes the world #EGEMath #Global_EE #OGEMath