lifeisdestiney lifeisdestiney
  • 03-03-2020
  • Mathematics
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ScreamingAvocado ScreamingAvocado
  • 03-03-2020

Answer:

80°

Step-by-step explanation:

A triangle = 180° total.

Because it is a parallelogram, 40° is also the measure of BCE.

180° - 60° - 40° = 80°

BEC = 80°

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