Using theorem 6.2, prove that a line joining the mid-point of any two sides of a triangle is parallel to the third side. Table of ContentsUsing theorem 6.2, prove that a line joining the mid-point of any two sides of a triangle is parallel to the third side.<Select SpecificallySolution: Previous In Fig. 6.21, A, B and C are points on OP, OQ, and OR respectively such that AB ‖ PQ and AC ‖ PR. Show that BC ‖ QR. Next Using theorem 6.1, prove that a line drawn through the mid-point of one side of a triangle parallel to the other side bisects the third side. Leave a Reply Cancel replyCommentEnter your name or username to commentEnter your email address to commentEnter your website URL (optional) Save my name, email, and website in this browser for the next time I comment. Sign me up for the newsletter!