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Draw an /B A C of measure 50^0 such that...

Draw an `/_B A C` of measure `50^0` such that `A B=5\ c m` and `A C=7\ c mdot` Through `C` draw a line parallel to `A B` and through `B` draw a line parallel to AC, intersecting each other at `Ddot` Measure `B D\ a n d\ C Ddot`

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