### Home > PC > Chapter 11 > Lesson 11.1.2 > Problem 11-30

11-30.

Given vectors , find

**.**

Once you find vector **w**, sketch it and use the Pythagorean theorem to find its length, or .

11-30.

Given vectors , find

Once you find vector **w**, sketch it and use the Pythagorean theorem to find its length, or .