Quadrilateral abcd is inscribed in the circle. which sentence is true? a) a and b are supplementary b) a and c are supplementary c) m∠a = m∠b d) m∠c = m∠d

The map shows the location of the airport and a warehouse in a city. though not displayed on the map, there is also a factory 112 miles due north of the warehouse. a truck traveled from the warehouse to the airport and then to the factory. what is the total number of miles the truck traveled?