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Mathematics 8 Online
OpenStudy (shaleiah):

Help! I'll give you a medal.

OpenStudy (shaleiah):

@DanJS

OpenStudy (danjs):

can you do an area of a rectangle... then just add all the sides up for the total surface area

OpenStudy (shaleiah):

I got 516

OpenStudy (danjs):

2*9*3 + 2*18*3 + 2*18*9

OpenStudy (shaleiah):

486

OpenStudy (mathmath333):

^ that is the total surface area

OpenStudy (shaleiah):

How would I find the lateral area?

OpenStudy (mathmath333):

|dw:1453266118967:dw|

OpenStudy (mathmath333):

can u guess now

OpenStudy (mathmath333):

except the top and bottom all else is the lateral surface area

OpenStudy (shaleiah):

I don't understand :(

OpenStudy (mathmath333):

2*9*3 + 2*18*3 , this much

OpenStudy (mathmath333):

lateral means four sides of wall except the ceiling and the floor

OpenStudy (mathmath333):

u need a personal teacher

OpenStudy (mathmath333):

explaining over this site is different than having a tutor present physically explaining to you

OpenStudy (shaleiah):

I understand now that I know the formula. Thank you for your help.

OpenStudy (mathmath333):

since i know u from the past one year , thats my advice

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