As shown in the figure, point C is the midpoint of line AB, BD = 35ab, CD = 2cm, find the length of AD

Because C & nbsp; is the midpoint of & nbsp; ab & nbsp;, so BC = 12ab, and because BD = 25ab, so & nbsp; CD = bd-bc = 35ab-12ab-12ab = 110ab = 2, so AB = 20, so & nbsp; ad = 25ab = 8 (CM)

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