Expert Guide
Land & Survey
Triangular Plot Area – Heron's Formula
Quality Inspector
Find area of 3-sided plots.
📐 Formula & Method
Area = √[s(s-a)(s-b)(s-c)], where s = (a+b+c)/2.
Area = √[s(s-a)(s-b)(s-c)]
📋 Worked Example
Sides 10, 15, 12: • s = 18.5 • Area = √[18.5 × 8.5 × 3.5 × 6.5] ≈ 59.8 m²
❓ Frequently Asked Questions
Use it when you know the lengths of all three sides but not the height of the triangle.
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