Mathematics 4024 · O Level · Pythagoras' theorem

Pythagoras' theorem — practice question

The diagram depicts a square PQRS and a right-angled triangle PST. The area of the square is 50 cm$^2$. $ST = \sqrt{34}$ cm.

(main)[2]

Calculate the length of $PT$.

Worked solution & mark scheme

This 2-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Applying $(\sqrt{a})^2=a$ gives $50-34$.” …