Answer:
r = 2 units
Step-by-step explanation:
The equation of a circle in standard form is
(x - h)² + (y - k)² = r²
where (h, k) are the coordinates of the centre and r is the radius
(x - 3)² + (y + 2)² = 4 ← is in standard form
with r² = 4 ⇒ r = [tex]\sqrt{4}[/tex] = 2
