Refer to figure (no scale) & Trig Tables. A 2000 foot highway centerline is estblished. For the first tangent section of a radius of 500` use BI=6+00, A=40 deg D=R tan(A1/Z) to find BC1. How should station 4BC1 be marked?

Refer to figure (no scale) & Trig Tables. A 2000 foot highway centerline is estblished. For the first tangent section of a radius of 500` use BI=6+00, A=40 deg D=R tan(A1/Z) to find BC1. How should station 4BC1 be marked?