The Angle in a Semi-Circle, Euclid Book III, Proposition 31
Ancient theorem of Euclid (Book III, Proposition 31) still a fundamental part of school maths. The angle in a semi-circle is a right angle.
Ancient theorem of Euclid (Book III, Proposition 31) still a fundamental part of school maths. The angle in a semi-circle is a right angle.
Sneaky play with algebraic notation and function definition lays traps for scholarship students in school maths.
Linking core maths 3 functional transformations to Step algebra and solutions of equations.