- #1

maladroit

- 42

- 0

## Homework Statement

Use differentials to estimate the amount of paint needed to apply a coat of paint 0.05 cm thick to a hemispherical dome with diameter 54 m.

## Homework Equations

dy=dy/dx *dx

Surface area of a hemishpere=2pi*r^2

## The Attempt at a Solution

dy=4pi*r dx

dy=4pi*27 *.05

dy=16.96