Search
Google ClassroomGoogle Classroom
GeoGebraGeoGebra Classroom
GeoGebra
  • Home
  • Resources
  • Profile
  • Classroom
  • App Downloads

Перпендикулярность прямой и плоскости. Задача 1

Author:liudmylas
В тетраэдре DABC DAC=DAB и  АDC=АDB. Докажите, что ВСАD.

New Resources

  • Prism Drawn in 2-Point Perspective
  • רישום חופשי
  • random coprime pairs
  • Visualizing the Pythagorean Identity with Sine and Cosine
  • montecarlo circles 5

Discover Resources

  • test
  • مركز الابعاد المتناسبة لثلاث نقاط - المدرّس شادي سمعان
  • NC - Ficha 30 - Giovanna Boero
  • การแยกตัวประกอบของพหุนามดีกรีสอง
  • Exploring Patterns with Input-Output Tables

Discover Topics

  • Trapezium
  • Piecewise Functions
  • Quadratic Equations
  • Poisson Distribution
  • Pythagoras or Pythagorean Theorem
AboutPartnersHelp Centre
Terms of ServicePrivacyLicense
Graphing CalculatorCalculator SuiteMath Resources

Download our apps here:

Download_on_the_App_Store_Badge_US-UK_RGB_blk_4SVG_092917

© 2025 GeoGebra®