Respuesta :
Answer:
5 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 - 5)² + (y + 3)² = 25 ← is in standard form
with centre (5, - 3) and radius = [tex]\sqrt{25}[/tex] = 5
