austiaa21
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A right rectangular prism has a length of 8 cm, a width of 3 cm, and a height of 5 cm.


What is the surface area of the prism?

Respuesta :

lizardninja12345
well if you do 8 x 3 x 5 you well get 120 so the suface area is 120 umm yeah i hope that helped
you have to find the area of all the sides.
so there are 6 faces in total and two of them are going to have the same area.
so you do:
8x5=40
8x3=24
5x3=15

then you add all of these up
40+15+24=79

then you times 79 by two since 79 is only ythe total area for 3 faces.
79x2=158cm2

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