### Overview

To find the length of a curve we break it up into infinitesimal pieces. Each piece is approximately a straight line segment; we use differential notation to compute and sum the lengths of these pieces.

### Lecture Video and Notes

#### Video Excerpts

Clip 1: Introduction to Arc Length

Clip 4: Example: Length of a Parabola

### Recitation Video

#### Arc Length of y=x^{3/2}

### Worked Example

Arc Length of y=ln(x)