valinoruschell valinoruschell
  • 04-03-2018
  • Mathematics
contestada

LM¯¯¯¯¯¯¯ is the midsegment of trapezoid ABCD . AB=78 and DC=142 . What is LM ?

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sqdancefan
sqdancefan sqdancefan
  • 04-03-2018
The midsegment has a length equal to the average of the base lengths.

LM = (AB +DC)/2
.. = (78 +142)/2
LM = 110
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