15-12-2017
Mathematics

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BCDE is a parallelogram.
What is the measure of ∠BEC?

BCDE is a parallelogram What is the measure of BEC class=

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tynollette tynollette

15-12-2017

∠B and ∠BED make a sum of 180, so ∠BED=180-60=120
∠BEC=120-40=80

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Аноним Аноним

15-12-2017

Your answer would be ∠BEC=120-40=80

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