In 1907, the English author and mathematician Henry Ernest Dudeney posed a puzzle: Can any equilateral triangle be cut into ...

Prepare effectively for the CBSE Class 12 Maths Standard Board Exam on Monday, 8-Mar-2025, with expert-designed sample papers ...

Proofs of the following theorems are deleted: If a perpendicular is drawn from the vertex of the right angle of a right triangle to the hypotenuse, the triangles on each side of the perpendicular ...