Assertion (A): When a contour survey of a steeply sloping area is envisaged, Tacheometric, Methods are often used.
Reasons (R): Stadia Tacheometry leads to more accurate computation of lengths compared to Steel tapes measured in however cautions and careful Manner.
1
Both A and R are true and R is the correct explanation of A
2
Both A and R are true and R is not a the correct explanation of A
3
A is true but R is false
4
A is false but R is true