Answer:
AB = 3
Step-by-step explanation:
Calculate AB using the distance formula
d =
with (x₁, y₁ ) = A (- 2, 4) and (x₂, y₂ ) = B (7, 1 )
AB =
=
= ×
= 3
Simplify
250
5171/17
Estimate: 5000/20 = 500/2 = 250