Respuesta :

I added the formula as an attachment. The symbol is pi, which usually is shortened to just 3.14. The "r" is for the radius, and since you have a diameter divide that by 2 as the radius is only half. Plug these in and there's your answer; 4.189 or 
Ver imagen tacotac
qwerty48

Answer: A

why? because

V=4

3πr3=4

3·π·13≈4.18879

if we were to round this up to the nearest tenth it would be 4.2 feet square of 3

you are very welcomed! :)