Respuesta :

Answer:

311.04 and 373.248

Step-by-step explanation:

Answer:

[see below]

Step-by-step explanation:

Figure B is a cube.

Question 3:

Surface area of a cube is:

[tex]A=6a^2[/tex]

The measurement given is [tex]7.2 \text{ft}[/tex].

[tex]A=6(7.2)^2\\\\A=6(51.84)\\\\A=\boxed{311.04}[/tex]

Option D should be the correct answer.

Question 4:

Volume of a cube is:

[tex]V =a^3[/tex]

------------

[tex]V=(7.2)^3\\\\V=\boxed{378.248}[/tex]

Option D should be the correct answer was well.

Hope this helps you.