A new paper establishes a long-conjectured bound about the size of the overlap between sets of lines and points. Imagine an endless piece of blank paper covered with a smattering of lines pointing ...

Pythagoras' theorem close Pythagoras' theoremPythagoras's theorem applies to right-angled triangles. The area of the square drawn on the hypotenuse is equal to the sum of the squares drawn on the ...

Points, line segments, lines, rays and more.. and a fun game to play at home Points, line segments, lines, rays and more.. and a fun game to play at home ...