Twenty-eight students reported how many email accounts they have. The dot plot below shows the data collected:
1 answer:
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The diagnonals of a parallelogram bisect each other ,
so
=》 BD = 3x × 2
=》BD = 6x
and there's given that
=》
=》
=》
=》
so, if x = 4 , then the given quadrilateral is a parallelogram.