Answer:
4.5 inches
Step-by-step explanation:
Use the formula for the surface area of a sphere, SA = 4[tex]\pi[/tex]r²
Plug in the surface area and solve for r, the radius:
SA = 4[tex]\pi[/tex]r²
254.5 = [tex]\pi[/tex]r²
20.25 = r²
4.5 = r
So, the radius is approximately 4.5 inches
