To divide 3/8 ÷ 1/4 using a model, which of the following are true? select all that are correct. divide a bar into eighths. divide each eighth into thirds. divide each eighth into fourths. divide a bar into fourths. fast

Acentral angle measuring 160 degrees intercepts an arc in a circle whose radius is 4. what is the length of the arc the circle formed by this central angle? round the length of the arc to the nearest hundredth of a unit. a) 4.19 units b) 6.28 units c) 12.57 units d) 12.57 square units