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 ...
Join the two coordinates to make a line segment. Draw a horizontal and vertical line from the two coordinates to form a right-angled triangle.The width of the triangle is 2 This can be labelled \(a\).