# What is the area circle that has a 4 inch radius?

Jun 7, 2018

$16 \pi \approx 50.27 \text{ inches"^2" to 2 dec. places}$

#### Explanation:

$\text{the area (A) of a circle formula is}$

•color(white)(x)A=pir^2larrcolor(blue)"r is the radius"

$\text{here } r = 4$

$A = \pi \times {4}^{2} = 16 \pi \text{ inches"^2larrcolor(red)"exact value}$

$A \approx 50.27 \text{ inches"^2" to 2 dec. places}$