  Centrale des maths - centraledesmaths.uregina.ca  Dilemmes & doutes    « D & D »    Sujet: 3d geometry   nouvelle recherche

3 articles trouvés pour ce sujet.    Page1/1            The midpoints of two sides of a triangle 2009-03-17 Manis pose la question :Prove that the line joining the midpoint of two sides of a triangle is parallel to the third and half of it.Robert Dawson lui répond.     A plane cuts a line segment 2009-03-17 Manis pose la question :Find the ratio in which the line joining (2,4,16) and (3,5,-4) is divided by the plane 2x-3y+z+6=0.Robert Dawson lui répond.     A sphere in a cube 2006-11-09 Lukas pose la question :Given a cube and a cross diagonal, what is the largest size sphere that fits in the cube and does not touch or intersect the cross diagonal?Steve La Rocque, Penny Nom and Walter Whiteley lui répond.      Page1/1    Centrale des maths reçoit une aide financière de l’Université de Regina et de The Pacific Institute for the Mathematical Sciences.    Qui sommes-nous :: carte du site :: our english site