# A triangle has sides A, B, and C. Sides A and B are of lengths #1# and #1#, respectively, and the angle between A and B is #(pi)/2 #. What is the length of side C?

##### 1 Answer

Jan 2, 2016

C has length=

#### Explanation:

As it is a right-angled triangle (

Pythagorus' Theorem states that

So for your problem:

As it is a length we don't need to worry about the sign on the sqare root, it will always be positive.