Specification References: G2.1 G2.1 Use Pythagoras’ theorem. |
Questions will be restricted to 2D at Foundation tier.
Questions may be set in context, for example, a ladder against a wall, but questions will always include a diagram of a right angled triangle with two sides marked and the third side to be found.
Quoting the formula will not gain credit. It must be used with appropriate numbers,
e.g. x2 = 72 + 82, x2 = 122 - 92 or x2 + 92 = 122
Given the distance of the ladder from the wall and the length of the ladder decide whether the ladder will go into a window, given that a window is at height 5 metres to 6 metres up a wall.