# How do you find b in pythagorean theorem given a=3, c=4?

##### 1 Answer

Jun 1, 2016

Plug in, and solve!

#### Explanation:

The Pythagorean theorem is:

So, **we can plug in the given values** (a = 3, c = 4), and **solve for b**.

**It's straightforward, plug in the numbers you know, then solve!**

If you are asked to give answers in square root form, make sure you completely **rationalize your solution** . If you are told to give your solution in decimal form, **make sure to round** to the appropriate place, if required.