Hello!
To find the area of a circle you use the equation
[tex] \pi r^{2} [/tex]
r is the radius which is half the diameter
[tex] \pi 18.5^{2} [/tex]
Square 18.5
[tex] \pi *342.25[/tex]
Put this into the calculator and you get the answer of about 1075.21
The answer is about 1075.21
Hope this helps!
