# How much will it cost to paint a circular sign with a radius of 4 feet if the painter charges $1.50 per square foot?

##### 2 Answers

Nov 14, 2015

#### Answer:

$75.40

#### Explanation:

First, we must find the area. The formula for the area of a circle is

Therefore,

Since the painter charges

Nov 14, 2015

#### Answer:

$75.39

#### Explanation:

The area of a circle is given by the formula

If the sign costs $1.50 per square foot, then the cost for the sign is: