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Author:
Michael Borcherds
,
GeoGebra Materials Team
,
Mathguru
Heron's formula states that the area of a triangle with sides a, b, c is given by
where
Cyclic Quadrilateral
GeoGebra
Proof of Heron's Formula
New Resources
Dodecahedron
alg2_05_05_01_applet_exp_flvs
Poorly Drawn Parallelograms 3
Exploring the Derivative of a Quadratic Function
Explore the invariant lines of matrix {{-2,5},{6,-9}}
Discover Resources
Integer_Programming_problem_new
Constructing a Midpoint Using a Perpendicular Bisector
Centroid
Mario and Parabolas
Area of Any Triangle by trans formations
Discover Topics
Arithmetic Operations
Conditional Probability
Difference and Slope
Isosceles Triangles
Similar Triangles