SOLUTION: The drawing shows trapezoid ABCD with AB||DC; also, M and N are midpoints of AD and BC, respectively. Given: AB = 8.2 and MN = 9.5 Find: DC

Question 851849: The drawing shows trapezoid ABCD with AB||DC; also, M and N are midpoints of AD and BC, respectively.
Given: AB = 8.2 and MN = 9.5
Find: DC
Answer by Edwin McCravy(20054) (Show Source): You can put this solution on YOUR website!

The mid-segment of a trapezoid is the line segment connecting
the midpoints of the two non-parallel sides.  Its length is 
equal to the average of the length of the bases.  So





Multiply both sides by 2 to clear of fractions.



Subtract 8.2 from both sides:



Edwin

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