February 23, 2017

Homework Help: geometry

Posted by sumer on Thursday, July 28, 2011 at 1:39am.

prove: the segment joining the midpoints of the two sides of a triangle is parallel to the third side. the coordinates are A(0,0)B(a,0)on the the x axis, and C(c,d), M is midpoint and the coordinates of M is (c/2,d/2) and N is also a midpoint whose coordinates are (a+c/2, d/2) Please help fill in the blanks M=(0+____/2, 0+_____/2)=(_____/2, _____/2) and then N=(______+C/2, 0+________/2)=(______+C/2, _________/2)

slope of MN = d/2 _____d/2 = _______
____________ a+c/2-c/2 =________ a+c/2 - c/2

slope of AB = ______-______=_______=____
a a

please any help would be greatly appreciated thanks so much!!!!

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