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 ...
"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." The A-line bob is one of the most iconic haircuts of all time; think Victoria Beckham, Keira Knightley, ...