The area of a circle (a) is given by the formula where r is the circle's radius. the formula to find r is . if and , r is centimeters.

For this case we have by definition, that the area of a circle is given by:

Where:

A: It is the area of the circle

r: It is the radius of the circle

We cleared the radius of the circle:

We choose the positive value:

c

step-by-step explanation:

the answer i believe is 27 units.

step-by-step explanation: