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Pretty please help!

Here is ΔABC. Line DE is parellel to line AC. what is m∠DBA + b + m∠CBE? Explain how you know

Pretty please help Here is ΔABC Line DE is parellel to line AC what is mDBA b mCBE Explain how you know class=

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mayarsakir

Step-by-step explanation:

Supplementary angles.

because we two lines are parellel and ac is a straight line so de is also a straight line(meaning it is 180°)

and because all of them are on the same line they are equal to 180°
Supplementary angles
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