Relax

Respuesta :

The answer i got was 315.5072  i did what was in the parenthesis and then divided it by 1/2 :)
r=(64x(3.14/4)x3.14)1/2
r=64(3.14)(3.14)
------------------
4(2)
r= 64(3.14)^2
---------------
8
r=8(3.14)^2
Where 3.14 is pi