GoGeometry Action 28! (Quick Angle Problem)

Author:Tim Brzezinski

Creation of this applet was inspired by a tweet from Antonio Gutierrez. What is the measure of the pink angle? How can you formally prove this to be true?

New Resources

Snake year !
רישום חופשי
Constructing an Isosceles Triangle with Given Side + Activities
Trophy
Let's fly!

Discover Resources

PitagoraArii.
Euler Line Part 1
opgave
geo1
Eigenfun

Discover Topics

Surface
Symmetry
Percentages
Tangent Line or Tangent
Optimization Problems