Question

what is the measure of one of the arcs QR​

Answer 1

One way to measure an arc is with degrees. The measure of an arc is equal to the measure of its corresponding central angle. Below, m^DC=70∘and m^GH=70∘. E G H 70 ° A D C 70 ° When you measure an arc in degrees, it tells you the relative size of the arc compared to the whole circle.