Answer :
Answer is 1780 cubic inches
Volume of a tube (cylinder) is
V= pi x radius^2 x height
V = 3.14 x 9^2 x 7
V = 3-14 x 81 x 7
V = 1780 inches cubed
Volume of a tube (cylinder) is
V= pi x radius^2 x height
V = 3.14 x 9^2 x 7
V = 3-14 x 81 x 7
V = 1780 inches cubed