Question

A search plane covers 50 square miles of countryside. How many hectares does the plane search?

Answer 1

the plane has searched 12,950 hectares. the ratio between hectares to square miles is: 1 hectare is 2.471 acres

Answer 2

Explanation:

This is a unit conversion from
`[mi^(2) ]` to
`[ha]` which is done using the equivalence:

`1 mi^(2)= 258.9988110336 ha`

and its done like this:

`50 mi^(2)*(258.9988110336 ha)/(1 mi^(2) ) =12949.94055 ha`