x=
39
40
41
Look at attachment

Answer:
[tex]x=39\°[/tex]
Step-by-step explanation:
we know that
The measure of the inner angle is the semi-sum of the arcs comprising it and its opposite
so
[tex]40\°=\frac{1}{2}(41\°+x\°)[/tex]
[tex]80\°=(41\°+x\°)[/tex]
[tex]x=80\°-41\°=39\°[/tex]
Using the angle of intersecting chords theorem, the value of x in the circle is: A. 39.
When two chords in a circle intersect, the vertical angles formed at the point of their intersection equals half of the sum of the intercepted arcs according to the angle of intersecting chords theorem.
40 = 1/2(41 + x) [angle of intersecting chords theorem].
2(40) = 41 + x
80 = 41 + x
80 - 41 = x
39 = x
x = 39. (option A)
Learn more about the angle of intersecting chords theorem on:
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