The measure of the angle formed by 2 <span>chords </span><span>that intersect </span>inside<span> the circle is </span><span><span>1/2</span></span><span> the sum of the chords' intercepted arcs. </span> (83 + x)/2 = 107 83 + x = 107 * 2 83 + x = 214 x = 214 - 83 x = 131°