1-A 1000 feet are length of a circular curve with a central angle of 42 is used to connect two tangent lines. The PI is located at station 25+50.
a) What is the stationing of the BC? b) What is the external distance? (10 pts)
c) If the back tangent has a bearing of N75°E, what is the bearing of the forward tangent line? (10 pts)