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.

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