plEaSe seND HELP




Matt's aquarium is shaped like a rectangular prism. The base of his
tank has sides with lengths of 4.2 feet and 14.1 feet. If the height
of the tank is 9 feet, what is the total surface area of the tank?
A. 283.14 square feet
B. 329.4 square feet
C. 447.84 square feet
D. 532.98 square feet

Respuesta :

Answer: C

Explanation:

Formula for SA of a rectangular prism: [tex]SA = 2(lw + lh + wh)[/tex]

Plug in length, width, and height

[tex]SA = 2((4.2)(14.1)+(4.2)(9)+(14.1)(9))[/tex]

[tex]SA = 447.84[/tex] ft