09 Bd Is A Perpendicular Bisector Of Triangle Abc Xz Is A Perpendicular Bisector

[4.09] BD is a perpendicular bisector of triangle ABC. XZ is a perpendicular bisector of triangle WXY. Triangle ABC is similar to triangle WXY with a scale factor of 1:3. Part I. Find BD, AB, WZ, XZ and WX. Part II. What is the scale factor of the perimeters of triangle ABC and triangle WXY? Show all work for credit.

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