Dieter Bergmann
Michelau, Germany
Here you can find STEM education resources.
Search and filter below, according to your preferences, to find free activities, videos or webinars to use.
Simple properties of medians, central verticals, angle bisectors and heights are shown.The idea is to show that it is not self-evident, that transversal lines in a triangle intersect in one…
Author: Dieter Bergmann
Topic: Mathematics