If a quadrilateral is inscribed in a circle, then the opposite angles of the quadrilateral are supplementary. Inscribed angle: In a circle, this is an angle formed by two chords with the vertex on the circle.The measure of an inscribed angle in a circle equals half the measure of its intercepted arc.
m<ABC = 1/2 ( 244)
m<ABC = 122
The answer is 122. I hope this helps.
