Heron's Formula
Description
Calculates triangle area using only side lengths.
Variables
| Symbol | Meaning |
|---|---|
A | Area |
a, b, c | Side lengths |
s | Semi-perimeter = (a+b+c)/2 |
Example
Problem
Find area with sides 3, 4, 5
Solution
s = 6, A = √(6·3·2·1) = 6
Real-World Applications
- Surveying
- Construction
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