Matematik trekanter

http://www.youtube.com/watch?v=_7N5dy9YMkM

Bevis for Pythagoras sætning

Beviset for Pythagoras

jeppe jakob jens og albert pythagoras tripler

Mohamed og frederikke

Sandra, Betül, Emma, Oliva video del 2

http://screencast.com/t/Q2lt55uNN

Ida L, Mathilde og Kathrine ligedannede trekanter del 1

http://www.educreations.com/lesson/view/ligedannede-trekant/16066302/?s=nuEelC&ref=app

Ida L, Mathilde og Kathrine ligedannede trekanter del 2

http://www.educreations.com/lesson/view/matematik-del-2/16066290/?s=f5qsl8&ref=app

http://www.educreations.com/lesson/view/matematik-om-trekanter/16066155/?s=BqHc0p&ref=app

http://www.educreations.com/lesson/view/venskabligetal-og-pythagoraeiske-tripler/16066038/?s=2zOw50&ref=app