Coordinates are two numbers used to describe a point's position on a grid. Grids have two axes. The horizontal axis is called the x-axis and the vertical axis is called the y-axis. Coordinates are ...

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 ...