IGCSE Maths Notes

Articles
Title
Proof of Quadratic Formula
Proof That Common Tangent From Meeting Point of Two Circles Bisects Other Common Tangent
Proof That Taking The Reciprocal Reverses the Direction of the Inequality For Positive Numbers
Proof That the Area of a Triangle Cut at a Vertex is Equal to the Ratio in Which the Opposite Side is Cut
Proving Triangles are Congruent
Quadrilaterals
Ratio of Area of Triangle Inscribed in a Circle to Triangle Enclosing the Circle
Ratio of Areas of Squares in Semicircles
Ratio of Volume of Cube Inside a Sphere Inside a Cube
Ratio of Volume of Sphere Inside a Cube Inside a Sphere

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