Question

Point M is the midpoint of line segment CD,

shown below.
What are the coordinates of point M?
C (6,10)
M
D (20, 18)

Answer 1

• M(13, 14)

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Each coordinate of the midpoint is the average of endpoints:

• x = (6 + 20)/2 = 26/2 = 13
• y = (10 + 18)/2 = 28/2 = 14

Therefore M is (13, 14).