Problemas
The circumference of a circle is 22pi ft. What is the area.in square feet ? Express your answer in terms of pi Answer Attempt 1 out of 2 A=square ft^2
Roztwór
Ayleen
experto · Tutor durante 3 años
4.3
(205 Votos)
Respuesta
The area of the circle is
square feet.
Explicación
## Step 1The circumference of a circle is given by the formula
, where
is the radius of the circle.## Step 2Given that the circumference
, we can set up the equation
and solve for
.## Step 3Solving the equation
for
, we get
.## Step 4The area of a circle is given by the formula
.## Step 5Substituting
into the formula for the area, we get \(A = \pi (11)^2 = 121\pi\).