Question

 GEOMETRY)

In the figure, chords AB and CD intersect at E. If the measure of arc AC is 30 degrees and the m angle DEB=80^o , then find the degree measure of arc DB

Enter just a number for your answer

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Answer 1

Answer: 130

Step-by-step explanation:

Let the measure of arc DB be x.

Then,

$80=\frac{x+30}{2}\\\\160=x+30\\\\x=130$