Answer:
<h2>A = 2.25π</h2>
Step-by-step explanation:
The formula of an area of a circle:

r - radius
The formula of a circumference of a circle:

We have:

Substitute:
<em>divide both sides by 2π</em>

Substitute:

Answer:
11.8321595662
Step-by-step explanation:
thats all I know
Answer:
a
Step-by-step explanation:
simple mat h