Given that the line segment AB = 16cm, point C is the midpoint of any point on AB, D is the midpoint of AC, and E is the midpoint of BC, the length of line segment De is calculated (2) P is a point on line AB, Mn is the midpoint of line AB and AP respectively. If AB = 16 and BP = 6, find the length of line Mn Be sure to analyze the process!

1. A-d-c-e-b ∵ D is the midpoint of AC ∵ CD = AC / 2 ∵ e is the midpoint of BC ∵ CE = BC / 2 ∵ de = CD + CE = (AC + BC) / 2 = AB / 2 = 16 / 2 = 8 (CM) 2, a-n-m-p-b ∵ m is the midpoint of ab ∵ am = AB / 2 = 16 / 2 = 8 ∵ AP = ab-bp = 16-6 = 10, n is the midpoint of AP ∵ an

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