https://www.cdu.edu.au/library/language-and-learning-support/study-skills/tafecdu/pythagoras-theorem
Pythagoras is useful for a number of trades and for our general life. It helps us with: A/C theory, Setting out, Building wall frames,,Form working,,Buying a TV/Computer monitor,,Air navigation.
This page will: Show you how to use a² + b² = c² to find the missing lengths, Practice what you’ve learnt.