SOLUTION: The figure shows the layout of a symmetrical pool in a water park. What is the area of this pool rounded to the tens place? (pi=3.14). http://contentlaunch.ple.platoweb.com/test

Algebra ->  Surface-area -> SOLUTION: The figure shows the layout of a symmetrical pool in a water park. What is the area of this pool rounded to the tens place? (pi=3.14). http://contentlaunch.ple.platoweb.com/test      Log On


   



Question 1078188: The figure shows the layout of a symmetrical pool in a water park. What is the area of this pool rounded to the tens place? (pi=3.14).
http://contentlaunch.ple.platoweb.com/testimagedb/a8/a81b121798f1d8e8ca5f13cd83a2646f

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Find the area of the circular sectors and the area of the isosceles triangles.
For the circular sector,
A%5Bcs%5D=2%2Api%2A30%5E2%2A%282.21%2F%282pi%29%29=1989ft%5E2
For the isosceles triangle use Heron's formula,
S=%2830%2B20%2B30%29%2F2=40
ft%5E2
So all together,
A=A%5Bcs%5D%2BA%5Bt%5D
A=1989%2B400sqrt%282%29ft%5E2