3 years ago

Bbbvvndjdjdndnndnxnnddnnxndncjdnxn

Mathematics

1 answer:

tatuchka [14]3 years ago

4 0

Answer:

lnjfenlk

Step-by-step explanation:

nklfewnlkefw

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Let m∠BCE = x

Then m∠ACE = x as well since CE is bisecting ∠ACB.

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Since BE = EC, the opposite angles are congruent:

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Then:

m∠CBE = m∠BCE = x

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m∠BEC = 180° - (x + x) = 180° - 2x

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