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




Heron's Formula.
Key facts, preliminary propositions.


Heron's
Formula Proof.
Purely geometric
stepbystep 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 h_{a}, h_{b}, h_{c}. 

Geometry Problem 1170
Area of a Triangle in terms of the three sides, abc. 

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. 