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Lateral surface area of a Cube
LSA = 4a²
Where: LSA = Lateral surface area, a = edge (side)
Use the same units for all lengths (e.g. all in cm); areas come out in cm², volumes in cm³.
Solved example
Given: a = 7
Find: LSA_ (Lateral surface area)
- Formula: LSA = 4·a²
- Substitute the values: LSA = 4·7²
- Result: LSA = 196
Answer: LSA_ = 196
Calculator
How to calculate Lateral surface area of a Cube
- Write down the formula: LSA = 4a².
- Note the known values (a).
- Substitute them and simplify to find LSA_.
- Use the calculator above to solve for any letter.
Frequently asked questions
What is the formula for Lateral surface area of a Cube?
The formula is LSA = 4a², where LSA = Lateral surface area, a = edge (side).
What is Lateral surface area of a Cube when a = 7?
LSA_ = 196. Substitute the values into LSA = 4a² and simplify.