Answer:
pq = 7
Step-by-step explanation:
Calculate the length using the distance formula
d = √ (x₂ - x₁ )² + (y₂ - y₁ )²
with (x₁, y₁ ) = p(5, 4) and (x₂, y₂ ) = q(- 2, 4)
pq = [tex]\sqrt{(-2-5)^2+(4-4)^2}[/tex]
= [tex]\sqrt{(-7)^2+0^2}[/tex]
= [tex]\sqrt{49}[/tex]
= 7
