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Outer surface area of a Hollow Sphere (Spherical Shell)
S = 4πR²
Where: R = outer radius, S = Outer surface area
Use the same units for all lengths (e.g. all in cm); areas come out in cm², volumes in cm³.
Solved example
Given: R = 7
Find: S (Outer surface area)
- Formula: S = 4·π·R²
- Substitute the values: S = 4·π·7²
- Result: S = 615.75216
Answer: S = 615.75216
Calculator
How to calculate Outer surface area of a Hollow Sphere (Spherical Shell)
- Write down the formula: S = 4πR².
- Note the known values (R).
- Substitute them and simplify to find S.
- Use the calculator above to solve for any letter.
Frequently asked questions
What is the formula for Outer surface area of a Hollow Sphere (Spherical Shell)?
The formula is S = 4πR², where R = outer radius, S = Outer surface area.
What is Outer surface area of a Hollow Sphere (Spherical Shell) when R = 7?
S = 615.75216. Substitute the values into S = 4πR² and simplify.