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Mathematics 18 Online
OpenStudy (anonymous):

http://prntscr.com/6n53l5

sammixboo (sammixboo):

First find the area of the base (the square on the bottom)

OpenStudy (anonymous):

6

sammixboo (sammixboo):

Not quite. The area, which is l*w, which is 6*6, which is?

OpenStudy (anonymous):

36

sammixboo (sammixboo):

Right, so now our formula is SA = base area + (1/2)*Perimeter of base*slant

sammixboo (sammixboo):

Can you tell me the perimeter of the square at the bottom?

sammixboo (sammixboo):

6+6+6+6

OpenStudy (anonymous):

30

sammixboo (sammixboo):

Not quite

sammixboo (sammixboo):

6*4 = 6 + 6 + 6 + 6

OpenStudy (anonymous):

24

sammixboo (sammixboo):

Yup so what is the slant height??

OpenStudy (anonymous):

8

OpenStudy (anonymous):

i think multiply 8

sammixboo (sammixboo):

Right, so we have SA = 36 + (1/2)*24*8

OpenStudy (anonymous):

132

sammixboo (sammixboo):

Right :)

OpenStudy (anonymous):

so the answer is 132

sammixboo (sammixboo):

Yup

OpenStudy (anonymous):

how u became a moderator

OpenStudy (anonymous):

http://www.myinstants.com/instant/im-batman/ someting for the batman

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