The degree of the arc formed by a central angle is question 10 options: 2 times the measure of the angle. 12 the measure of the angle. equal to the measure of the angle. has no relationship to the measure of the angle. the degree of the arc formed by an inscribed angle is question 11 options: has no relationship to the measure of the angle. equal to the measure of the angle. 12 the measure of the angle. 2 times the measure of the angle.