# Heron's Formula Index, Theorems and Problems - Table of Content

Heron's Formula.
Key facts,
preliminary propositions.

Heron's Formula Proof.
P
urely geometric step-by-step proof.

Heron's Formula Proof
Mind Map.

Geometry Problem 1296.
Heron's Formula, Area of a triangle in terms of the three medians.

Geometry Problem 1171
Area of a Triangle in terms of the three altitude or heights ha, hb, hc.

Geometry Problem 1170
Area of a Triangle in terms of the three sides, a-b-c.

Geometry Problem 860
Triangle, Three Medians, Parallel, Parallelogram, Area, Congruence.

Proposed Problem 103.Equilateral Triangle Area, Interior Point, Heron's Formula.

Brahmagupta Theorem and Problems - Index
Heron's formula is a special case of Brahmagupta's formula, when one of the sides equal zero.

Geometry Problems 101 - 110.
Angle, Equilateral Triangle, Pythagorean Theorem, Median, Heron, Cevian, Contact Triangle.

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