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What's your working so far? How are you approaching this?

i have made it absolutely no where on this problem.

Do you know what the area of a square is?

yesss

Great! So try to divide the figure into two parts:
1. the pyramid
2. The cube

Now, a cube's surface is basically 6 squares, so what would the area of the surface of the cube be?

256???

so that would be 1,536

DO you have the formula for the surface area of a right pyramid?

B+ 1/2ps?

yes

Exactly, for the pyramid your main problem is finding s
what's the formula for s?
You're very close!

i have no idea ! haha

289?

17

nno 288

16

No no, square root that! You are on the right track tahtah99 :)

yess, 17!

800 ?

Great! That's correct.

see i told you!!

you got it!!

-_____- hahah

It's not done yet :D

dont celebrate, its not done yet!!

oh Lord..
yeah i understand

so subtract 512?

Exactly! You got this!

exactly!! WHAT I SAY?? YOU GOT IT!

is the answer c?

THATS WHAT IVE BEEN TRYING TO SAY!! YES IT IS!!!!!!

Yes it is!

Congrats :)

thank you so much ! : )

SEE! NOOOOOWWW YOU CELEBRATE!!

YOUR VERY WELCOME~!

hahahahahahha

Glad to help!

glad to help too!

could you check my answer for the last question ?

nvm got it

ok.