Ans 5.10) Consider the below figure according to question,
Using properties of Similar triangle,
AB / AB' = CB / C'B'
=> 2.865 / 3 = CB / 0.3
=> CB = 0.2865
Now using Pythagoras Theorem,
(AC)2 + (CB)2 = (AB)2
=> (AC)2 +0.28652 = 2.8652
=> AC = 2.850
Error = AB - AC = 2.865 - 2.850 = 0.015 m
5.10 5.10 What error results on a 30-m sight with a level if the rod reading...