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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
Parallel or Not? (V2)
Rotating Points (Optical Illusion)
Simplifying Radicals: Geometric Thin Slice
Napoleon's Theorem
Rose Curve - A Classical Construction
Discover Resources
Sine and Cosine in the Unit Circle
What happens when we have y = bf(x)?
Circles - Given the radius, find the Area, Circ, Diam
Graphing dx
Area Under the Curve Exploration
Discover Topics
Perimeter
Division
Statistics
Logarithmic Functions
Hyperbola