11.
Three same-sized cubes are attached to the top of a rectangular prism as shown below.

If a = 6 cm, b = 16 cm, and c = 2 cm, what is the surface area of the figure?

504 square centimeters
516 square centimeters
528 square centimeters
420 square centimeters

Question

11.
Three same-sized cubes are attached to the top of a rectangular prism as shown below.


If a = 6 cm, b = 16 cm, and c = 2 cm, what is the surface area of the figure?

    504 square centimeters
    516 square centimeters
    528 square centimeters
    420 square centimeters

tkhunny · Answer

1) There is no diagram.
2) You have shown no work of your own.

Go!

logan13 · Answer

https://app36.studyisland.com/pics/257295qnumber4.png

tkhunny · Answer

Super.  Now, off to point #2.  What say you?  Reason it out and provide a response you believe to be correct.

tkhunny · Answer

Surface Area of the big box, ignoring the little fellows:

Ends: 2a^2
Four sides: 4ab
Total: 2a^2 + 4ab
Now what?