GeoGebra
GeoGebra
Home
News Feed
Resources
Profile
People
Classroom
App Downloads
An angle bisector of a triangle and an harmonic mean
Author:
Idan Tal
The applet helps to understand that for each triangle ACB with angle bisector CD and DE||CB, DE is half the harmonic mean of AC and BC.
GeoGebra
New Resources
Thin Slice: Using Trig Ratios to Solve for R.Triangle Sides
Probability and Geometry
Graphing Logarithmic Functions
Wallace-Simson Line, Orthopole, and Deltoid
Converting Percentages to Decimals
Discover Resources
Limit e&d Definition
Determinante 2x2 e áreas
Niken Ayu Vinata (XI6/22)
Flower
Shades and Shadows of Saddle Surface 2
Discover Topics
Planes
General Quadrilateral
Confidence Interval
Difference and Slope
Percentages