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Mathematics 8 Online
OpenStudy (anonymous):

Find the surface area of the figure to the nearest whole number.

OpenStudy (anonymous):

OpenStudy (anonymous):

@jim_thompson5910

jimthompson5910 (jim_thompson5910):

how far did you get here

OpenStudy (anonymous):

I haven't started solving it bc I don't know how

jimthompson5910 (jim_thompson5910):

what is the area of the bottom face?

OpenStudy (anonymous):

4.5ft

jimthompson5910 (jim_thompson5910):

that's the length and width, what's the area of the square at the very bottom?

OpenStudy (anonymous):

the only measurements it shows is 2.5ft, 3.3ft, 6ft, 4.5ft, 4.5ft

jimthompson5910 (jim_thompson5910):

I know, the bottom face looks like this |dw:1376250871764:dw|

jimthompson5910 (jim_thompson5910):

what is the area of that square

OpenStudy (anonymous):

it doesn't tell me the are of that square.

jimthompson5910 (jim_thompson5910):

how can you find it?

OpenStudy (anonymous):

I don't know the question it asks is find the surface area of the figure given

jimthompson5910 (jim_thompson5910):

if you have the side length of a square, how do you find the area of that square?

OpenStudy (anonymous):

i don't know

jimthompson5910 (jim_thompson5910):

do you know the formula

OpenStudy (anonymous):

no

jimthompson5910 (jim_thompson5910):

the formula is A = s^2 A = area s = side length

jimthompson5910 (jim_thompson5910):

so use this to find the area of the square

OpenStudy (anonymous):

im confused

jimthompson5910 (jim_thompson5910):

have you ever seen the notation s^2 before?

OpenStudy (anonymous):

no

jimthompson5910 (jim_thompson5910):

s^2 means "s squared" x^2 means "x squared"

OpenStudy (anonymous):

ok i get that but i still don't know how to work this problem out

jimthompson5910 (jim_thompson5910):

well what does it mean to square a number?

OpenStudy (anonymous):

ok well the way you are explaining this to me is making me feel real stupid so im just going to pick an answer and move on bc i still have another test to take

jimthompson5910 (jim_thompson5910):

I'm sorry I don't mean to sound like that at all

jimthompson5910 (jim_thompson5910):

I was just trying to help you find the area of the square

OpenStudy (anonymous):

okay well it wasn't helping me at all. i just needed help on getting this answer so i can graduate this class

jimthompson5910 (jim_thompson5910):

example: if you had a square that had side lengths of 3 inches, then A = s^2 A = 3^2 ... plug in s = 3 (since the side lengths are 3 inches) A = 3*3 A = 9 So the square with side lengths of 3 inches has an area of 9 square inches

jimthompson5910 (jim_thompson5910):

hopefully that sounds familiar and it makes sense use this to find the area of the square with side lengths of 4.5 ft

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