△XYZ∼△DEF , YZ is 10 meters, XZ is 15 meters, and EF is 8 meters.
What is DF ?
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m
XZ / YZ = DF / EF
15 / 10 = DF / 8
3 / 2 = DF / 8 multiply both sides by 8
8 * 3 / 2 = DF
24 /2 = DF
12 = DF
+168 
