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Mathematics 19 Online
OpenStudy (lizz123):

Medal will be given. The prism shown here is made from centimeter cubes. Find the lateral and surface area of the prism. http://prntscr.com/73ub5y

OpenStudy (lizz123):

@deana99

OpenStudy (lizz123):

@matlee

OpenStudy (lizz123):

what is \[P_{b}\]

OpenStudy (matlee):

perimeter of the base

OpenStudy (matlee):

nvm odnt use that calculator

OpenStudy (matlee):

ill find a better one

OpenStudy (matlee):

lateral area is 70

OpenStudy (matlee):

94cm^2 surface area

OpenStudy (lizz123):

I know what the surface area is 94cm squared

OpenStudy (matlee):

sorry if its wrong am not good at goemetry

OpenStudy (lizz123):

okay and how did you get the lateral

OpenStudy (matlee):

i used that calculator i gave you

OpenStudy (jdoe0001):

LATERAL = sides meaning all sides EXCLUDING the base

OpenStudy (matlee):

3+3+4+4 and H=5

OpenStudy (lizz123):

okay

OpenStudy (matlee):

jdoe gots this

OpenStudy (lizz123):

what would the equation be @jdoe0001

OpenStudy (jdoe0001):

notice the picture here a prism is just 6 rectangles stacked up to each other at teh edges thus, just find the area of each of those, and sum it up in this case is "lateral", so get the area of everyone BUT the base and sum them up

OpenStudy (lizz123):

so the base is 4 which is excluded and the length and width is 5 and 3 which equals 8

OpenStudy (jdoe0001):

you're not being asked for the "volume" the "lateral area" so... just grab each rectangle making up the prism and get its area, and then sum them all up all excluding the base in this case and surely you know to find the area of a rectangle is LxW

OpenStudy (lizz123):

5*3=15

OpenStudy (jdoe0001):

|dw:1431303436554:dw|

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