Geometry · Classes 8, 9, 10
Heron Formula
Triangle area from sides; s=(a+b+c)/2.
FORMULA
\(A=\sqrt{s(s-a)(s-b)(s-c)}\)
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Worked example
Sides 3,4,5 ⇒ area 6
Understand this formula
Triangle area from sides; s=(a+b+c)/2.
Check measurement units, mathematical domains and rounding before applying any result in an examination.