# How do you use the Pythagoras Theorem to find side length of triangle abc if ac=7 and bc=3?

##### 1 Answer

Jul 1, 2016

#### Answer:

"Side length" of triangle is

#### Explanation:

As the "side length" is to be found using Pythagoras theorem, it is apparent that of known sides

Now according to Pythagoras theorem square of hypotenuse is equal to sum of the squares of other two sides, hence

or

Hence