Chloe1516
Chloe1516
08-03-2017
Mathematics
contestada
Pls help me guys! I'm so stuck
Respuesta :
nwessel
nwessel
08-03-2017
Surface area is the sum of all areas. For your rectangular prism, you have to add all 6 rectangles to obtain the surface area.
(9x5) + (3x5) + (9x3) + (3x5) + (5x9) + (9x3) = 174 in^2
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Jayland
Jayland
08-03-2017
Look all you got to do is as 9+9+5+5+5+5+3+3+3 so
47
is your answer, you need to add onto all sides.
Answer Link
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