How do you use Pythagoras' Theorem?

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+42so h2 = 9 + 16so h2 = 25therefore the hypotenuse is the square root of 25, so in this case, the hypotenuse would be 5.

RB
Answered by Ryan B. Maths tutor

4504 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

How do you solve the simultaneous equations 3x + 4y = 5 and 2x – 3y = 9


Solve the following equation: x^2 - 11x + 18 = 0


A is the point with coordinates (2,7) and B is the point with coordinates (8,10). Find the coordinates of the midpoint of AB.


If a student wishes to have a ratio of 2:7 red pens to yellow pens in their pencil case: a) if they have 50 pens total what is the maximum amount they can carry with them b) if they have 18 red and 31 yellow what is the maximum amount they can carry


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:

© 2025 by IXL Learning