### 1 Answer | Add Yours

The volume of a hemisphere with radius r is given by;

`V = 2/3pir^3`

Since the volume is `486pift^3` ;

`486pi = 2/3pir^3`

`r = ((486xx3)/2)^(1/3)`

`r = 9ft`

Area of hemisphere `= 2pir^2`

Area of hemisphere `= 2xxpixx9^2 = 162pift^2`

*So the area of the hemisphere is `162pift^2` .*

**Sources:**

### Join to answer this question

Join a community of thousands of dedicated teachers and students.

Join eNotes