Obtuse Triangle – GeoGebra

Acute, Obtuse, Right Triangle Proof v2 – GeoGebra

Given: obtuse triangle ABC with obtuse angle B. Point D on side AC such that angle BDC is also obtuse. Angle DAB is 2/3 of angle ABD. Angle BCD is 1/5 angle

Geometry Problem 1444: The Asymmetric Propeller Theorem, Equilateral Triangles, Midpoints. Using GeoGebra, iPad Apps. Poster

Making Good Practice Common Using Computer-Aided Formative

What is the center of the sphere adjacent to three other spheres

4.1.1: Angles and Triangles - Mathematics LibreTexts

meetkundig bewijs verhouding door bissectrice driehoek – GeoGebra

The Orthocenter – GeoGebra

Types of Triangles(By Sides and Angles) – GeoGebra

Triangle Construction – GeoGebra

Triangle Construction – GeoGebra