Click to explore updated revision resources for GCSE Maths: Solving 2D problems using Pythagoras's, with step-by-step slideshows, quizzes, practice exam questions, and more!

Have a look at this example question, then try the question below. A cable is attached, 30 metres above ground level, to a post. The other end of the cable is 14 metres from the base of the post.

The Pythagorean theorem stands as one of mathematics' most enduring and practical principles. Named after the ancient Greek mathematician Pythagoras, this fundamental concept has guided engineers, ...