r=10.5
A=_
Use 3.14 for pie
How do I figure this out

2. Originally Posted by Erynn S
r=10.5
A=_
Use 3.14 for pie
How do I figure this out
the formula for are of a circle is $A=\pi*r^2$

$\pi=3.1416$

$r^2=10.5^2 =110.25$

$A=3.1416*110.25$

$A=346.26$