Question

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Answer 1

Step-by-step explanation:

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Answer 2

Answer:

if two parallel lines are interested by a transversal,then the opposite interior angles will be equal,

as AC is parallel to DB,

and joined by AB transversal,

<EDB=<ECA=30 degrees,

similarly,

<CAE=<DBE=40 degrees,

<DEB=180-(30+40),

<DEB=110 degrees,

as AEB is a straight line,

<AED=180-110=70degrees.