Following data refer to precise measurement of an angle A on the field : (i) 2A = 20 10' - weight 2 (ii) 4A = 40 10' - weight 3What is the most probable value of angle A ?

Following data refer to precise measurement of an angle A on the field

1.	Following data refer to precise measurement of an angle A on the field : (i) 2A = 20 10' - weight 2 (ii) 4A = 40 10' - weight 3What is the most probable value of angle A ?
A.	10 01'06"
B.	10 02'07"
C.	10 02'51"
D.	10 22'51"
Answer» D. 10 22'51"