Question

There is a circle that is 2 km in diameter.. What is the number of acres in a circular ring if

1 km^2 = 247 acres.. Round to the nearest acre..

Thank you so much :)

Answer 1

area = PIr^2

radius = D/2 = 1KM

3.14 x 1^2 =3.14 square km

247 x 3.14 = 775.58 = 776 acres