Drag the points. [br]What do you notice? What does this prove? How does this prove it? Does this theory apply to all right-angled triangle?

Pythagoras Theorem[br]a[sup]2 [/sup]= b[sup]2[/sup] + c[sup]2[br][/sup]b[sup]2[/sup] = a[sup]2[/sup] - c[sup]2[/sup][br]c[sup]2[/sup] = a[sup]2[/sup] - b[sup]2[/sup]