Question

Sarah has a pond in the shape of a half sphere in her back yard. The pond currently holds 1,071.79 cubic inches of water. What is the radius of the pond?

Answer 1

1071,79 = (1/2) × (4/3) πr³

1071,79 = (2/3) × 3,14 × r³

1071,79 = 2,093333 × r³

512 = r³

8³ = r³

8 = r