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Find the coordinates of the midpoint of each side of a triangle with vertices at (3, 5), (6,-4) and (-1, 1).

Sagot :

Midpoint = (x1+x2  ,  y1+y2)
                      2           2
Triangle has 3 sides, so we'll compute midpoints of each side.

Side 1:
Adjoining vertices = (3,5) and (6,-4)
Midpoint = (3+6,  5+ -4)
                    2        2

MIdpoint = (9/2  , 1/2)  for Side 1

Side 2:
Adjoining vertices:  (6, -4) and (-1, 1)
Midpoint = (6+ -1  ,  -4 + 1)
                     2            2

Midpoint = (5/2 , -3/2)  for Side 2

Side 3:
Adjoining vertices: (-1, 1)  and (3, 5)
Midpoint = (-1 + 3  ,  1 + 5)
                      2           2

Midpoint = (2/2  ,  6/2)  
Midpoint = (1 , 3)  for Side 3