Check out the refreshed revision resources for GCSE Maths: Solving 2D and 3D problems using Pythagoras's, with step-by-step slideshows, quizzes, practice exam questions, and more!

AB is 6 cm, BG is 3 cm and FG is 2 cm. Calculate AF. Draw the right-angled triangle ACF and label the sides. This is the right-angled triangle that contains the unknown AF. To calculate AF, AC is ...