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Geometry · triangles

Heron's Formula Formula

Finds a triangle area from all three side lengths.

A = √(s(s − a)(s − b)(s − c))

Variables

A
area
a, b, c
side lengths
s
semiperimeter

Reference details

Subject
Geometry
Topic
triangles
Plain text
A = sqrt(s(s-a)(s-b)(s-c))

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