make this question worth more points and people will answer it
The area of a circle is π (Pi) times the Radius squared, which is written:
A = π × r2
Or, when you know the Diameter:
A = (π/4) × D2
Or, when you know the Circumference:
A = C2 / 4π
$50×.20=$10.00=40
$40×.10= 4.00
$40-4.00= $36.00 is the cost of the sweater and he received $14 in savings
