IDNLearn.com is designed to help you find the answers you need quickly and easily. Our experts are available to provide accurate, comprehensive answers to help you make informed decisions about any topic or issue you encounter.
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