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The Sum of the Angles of a Triangle
Author:
Jesse Parete
Topic:
Angles
,
Geometry
,
Triangles
Use the two sliders to move copies of the two angles B and C next to to angle A to fill the semi-circle marking the 180 degree straight angle atop the triangle.
GeoGebra
New Resources
bewijs stelling van Pythagoras
GeoGebra Notes
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
Proof of a Rhombus by Construction and Deduction
Marion's Theorem
Discover Resources
NA - 2 Angles off a diamter
Gary Tessellation
Hhkg 10.6
Further Vectors 1 Ex12.1 Qu7
reflection example
Discover Topics
Prism
Incircle or Inscribed Circle
Quadratic Equations
Binomial Distribution
Similar Triangles