- #1

zero13428

- 7

- 0

## Homework Statement

The radius of a circle is measured to be 14.3+-0.3cm. Find the circle's area and the uncertainty in the area.

I don't understand how to correctly apply uncertainty equations with sigma and partial derivatives to these types of problems.

## Homework Equations

A=(pi)(r^2)

(pi)(r^2)=642.4cm