In right-angled triangles the square on the side subtending ...

In right-angled triangles the square on the side subtending the right angle is equal to the squares on the sides containing the right angle.

The Thirteen Books of Euclid's Elements Translated from the Text of Heiberg, introduction and commentary by Sir T. L. Heath (1926), Vol. 1

In right-angled triangles the square on the side subtending the right angle is equal to the squares on the sides containing the right angle.

In right-angled triangles the square on the side subtending the right angle is equal to the squares on the sides containing the right angle.

In right-angled triangles the square on the side subtending the right angle is equal to the squares on the sides containing the right angle.

In right-angled triangles the square on the side subtending the right angle is equal to the squares on the sides containing the right angle.