16. A natural gas line runs eastwest. A town wants to connect two new housing developments to the line bv running lines from a single point on the existing line to the two developments. One Development, BL is 3km due south of the existing line; the other development. D2, is 4 km due south of the existing line and 5km east of thefirst development. Find the place on the existing line to make the connection to minimize the total length of a new line. Gas Lll'l.' Slim 4km DI