V = pi * r^2 * h
Which of your answers expresses that formula?
A cylindrical gasoline can is 18 inches across and 20 inches tall. which expression represents the approximate volume in cubic inches ?
1) (3.14)(9)2(20)
2) (3.14)(9)(20)2
3) (3.14)(18)(20)
4) (3.14)(18)2(20)
5) (3.14)(36)2(20)
5 answers
number 4
No. The radius is not 18.
the answer is
5
5
Nope. The radius is half the diameter.
2 answers