GoGeometry Action 169!

Topic:Circumcircle or Circumscribed Circle, Geometry

Creation of this resource was inspired by a problem posted by Antonio Gutierrez. You can move ANY LARGE POINT anywhere you'd like at any time. How can we formally prove that what is dynamically illustrated here?

Quick (Silent) Demo

New Resources

Deriving the Arc Length Formula
繪畫垂直線
Segment Addition Postulate (Mild Questions)
Isosceles Right Triangle
Squaring a Rectangle (PST Version)

Discover Resources

Point symetry
orthocenter
Alice in GeoGebra land. Dynamic Tower2
Perpendicular Bisector Proof-Cade Joiner
three elipses, pentagonal segments

Discover Topics

Pie Chart or Circle Chart
Differential Calculus
Numbers
Hypothesis Testing
Translation