Given triangle ABC.Line l contains vertex A and is parallel to BC,line k contains vertex C and is parallel to AB,line m contains vertex B and is parallel to AC.Lines l,k,m form triangle QRM .How to show that the triangle ABC is medial to the QRM.
Given triangle ABC.Line l contains vertex A and is parallel to BC,line k contains vertex C and is parallel to AB,line m contains vertex B and is parallel to AC.Lines l,k,m form triangle QRM .How to show that the triangle ABC is medial to the QRM.