Uke 38

Pytagoras setning;
http://www.youtube.com/watch?v=X_laLrdILGA&feature=player_detailpage

Regne ut hypotenus med pytagoras setning;
http://www.youtube.com/watch?v=zY6nVaNpzDA&feature=player_detailpage

Regne ut katet med pytagoras;
http://www.youtube.com/watch?v=hTxA4x0rlMg&feature=player_detailpage

Rettvinket, likebeinet trekant;
http://www.youtube.com/watch?feature=player_detailpage&v=HUEZvqIbj_c