# Griffiths, Introduction to Electrodynamics, 4th Edition

## Chapter 1. Vector Analysis

### Section 1. 1. Vector Algebra

#### 1.1.2 Vector Algebra: Component Form

### Problem 1.3 Property of the dot product

##### The problem asks you to

- find the angle between the body diagonals of a cube.

##### You should know about

- the dot product of vectors and its property.

##### Solution