Answer: 1.1 units
Step-by-step explanation:
We know that the distance between any two points (a,b) and (c,d) is given by :-
\(D=\sqrt{(d-b)^2+(c-a)^2}\)
Then , the distance between the points A (3, 2.5) and B (3, 1.4) will be :-
\(D=\sqrt{(1.4-2.5)^2+(3-3)^2}\\\\\Rightarrrow D= \sqrt{{(-1.1)}^2+0^2}\\\\\Rightarrow D =\sqrt{1.1^2} \\\\\Rightarrow D =1.1\)
Hence, the distance between the two points is 1.1 units.
