Question

Help me i dont understand?

Answer 1

Answer:

Surface area is the bases area so the answer is:

18x9: 162

How did you get 18x9?

Good question look at the picture do you see 18 and 9 at the bottom well remove the 2 out of the picture make it a 2d shape now it is just 18 as length and 9 as height so to find Surface area you mulitiply the height by the length or the length by the height so it is

18x9:162

The answer is 162

If this helps please give me a Brainliest!

Answer 2

Do the following,
(18x2)x2=?
(18x9)x2=?
(9x2)x2=?
Then add them all up!