Draw a horizontal and vertical line from the ... Substitute the values of a, b and c into Pythagoras’ theorem to give 2² + 4² = \(c\)². 4 + 16 = 20 To find the value of \(c\), calculate ...

Draw a square on each side of a right-angled ... 16~\text{cm}^\text{2}\) This is Pythagoras' theorem. Pythagoras' theorem states that, in any right-angled triangle, the square of the hypotenuse ...