12 Questions Circle Relationships involving Measurement Apply proportional relationships between measure of arc length, circumference of a circle, radian measures, area of a sector, and the area of a circle to solve problems. Geometr... Math_by_Kahoot, 12/08/2017 answers N/A plays Play Which proportion is used to find x, the degree measure of the arc of a circle? x / 1 = arc length / circumference x / 360 = arc length / circumference x / arc length = circumference / 360 The circumference of a circle is 10π inches. What is the area of the circle? 10π square inches 25π square inches 100π square inches A 12” diameter pie is cut into 8 equal slices. About how many inches is the arc of 1 slice? 9.4 inches 4.7 inches 3.0 inches 2.4 inches … and 9 more awesome questions! Check them out by clicking “Play”.