What do I need the Pythagoras theorem for?

As an example you can use it to calculate the length of the hypotenuse in a triangle. The square of the hypotenuse is equal to the sum of the squares of the other two sides.

As a formula a^2 + b^2 = c^2 

FD
Answered by Fabienne D. Maths tutor

3343 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Work out the value 125^(-2/3) (A* Exam Q)


Solve algebraically for a and b: 6a+b=16, 5a-2b=19


solve this simultaneous equation: 2x + 3y = 19 (Eq1) and 3x + y = 11 (Eq2)


How do I factorise quadratic equations?


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2026 by IXL Learning