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Outline
Dynamic proofs
Area of Trapezoid - Midsegment
Area of Trapezoid - Triangles
Law of Sines - Acute Angle
Law of Sines - Obtuse Angle
Euclid’s theorem of leg
Euclid’s theorem of altitude
Proof of Pythagoras' theorem (Henry Perigal)
Euler's formula for polyhedra
Dynamic proofs
Author:
Irena Štrausová
Area of Trapezoid - Midsegment
Area of Trapezoid - Triangles
Law of Sines - Acute Angle
Law of Sines - Obtuse Angle
Euclid’s theorem of leg
Euclid’s theorem of altitude
Proof of Pythagoras' theorem (Henry Perigal)
Euler's formula for polyhedra
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Area of Trapezoid - Midsegment
New Resources
Untitled
函數的單調性
兩位數的位值
Area Between Two Curves
Neuberg's Theorem
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Vector Sum
Parallel Lines by Angle Copy
Tesselation George
Perimeter-2
(a+b)^2
Discover Topics
Volume
Statistics
Function Graph
Similar Triangles
Combinatorics
