How can you find the measures of linesegment and angle

What is the exact volume of the cylinder 1.5 m 2.5 m

What is the length of the segment joining the points at (4,5) and (6,-2) round to the nearest tenth if necessary

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?