How do you use Pythagoras' Theorem?

  • Google+ icon
  • LinkedIn icon

Pythagoras' Theorem states that h2 = a+ b2 . This is where you have a right angled triangle, with sides a, b and h where h is the hypotenuse. For example, if we had a triangle with sides of length 3 and 4, and we are trying to find the hypotenuse we would first find h2

This means that h2 = 3+42

so h2 = 9 + 16

so h2 = 25

therefore the hypotenuse is the square root of 25, so in this case, the hypotenuse would be 5.

Ryan B. GCSE Chemistry tutor, A Level Chemistry tutor, GCSE Physics t...

About the author

is an online GCSE Maths tutor with MyTutor studying at Durham University

How MyTutor Works

Still stuck? Get one-to-one help from a personally interviewed subject specialist.

95% of our customers rate us

Browse tutors

We use cookies to improve your site experience. By continuing to use this website, we'll assume that you're OK with this. Dismiss