Question

mrs.jaques is building a circular pool. on the blueprint the base of the pool has a diameter of 16 centimeters. the blueprint has a scale of four centimeters to eight feet. what will the actual circumfrence of the pool be in feet after it is built? round youre answer to the nearest tenth of a foot.

Answer 1

The base of the actual pool will have a diameter of
  (16 cm) × (8 ft)/(4 cm) = 32 ft

The pool's circumference is pi times that value.
  C = πd
  C = π×(32 ft) ≈ 100.5 ft