Answer:
1.4
Step-by-step explanation:
calculate the distance d using the distance formula
d = √ (x₂ - x₁ )² + (y₂ - y₁ )²
with (x₁, y₁ ) = (4, 1.5) and (x₂, y₂ ) = (4, 2.9)
d = [tex]\sqrt{(4-4)^2+(2.9-1.5)^2}[/tex]
= [tex]\sqrt{0^2+1.4^2}[/tex]
= [tex]\sqrt{1.4^2}[/tex]
= 1.4
