If is the angle of deflection of the curve, T1 and T2 are its points of tangencies, the angle between the tangent at T1 and long chord T1 T2 will be

If is the angle of deflection of the curve, T1 and T2 are its points

1.	If is the angle of deflection of the curve, T1 and T2 are its points of tangencies, the angle between the tangent at T1 and long chord T1 T2 will be
A.	<img src="/_files/images/civil-engineering/surveying/64-3.203-1.png">
B.	<img src="/_files/images/civil-engineering/surveying/64-3.203-2.png">
C.	<img src="/_files/images/civil-engineering/surveying/63-3.187-1.png">
D.
E.	2 .
Answer» D.