SOLUTION: Find the surface of the rectangular prism. 1.) L= 3.5 m , W= 2.9 m , H= 4.7 m. 2.) L= 6.5 m , W= 15.1 m , H= 4.5 I need this ASAP thank you so much you are

Question 82442: Find the surface of the rectangular prism.
1.) L= 3.5 m , W= 2.9 m , H= 4.7 m.

2.) L= 6.5 m , W= 15.1 m , H= 4.5

I need this ASAP thank you so much you are the best who ever helps me!
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
the surface area is the sum of the areas of all the sides ... the two ends are W*H, two of the faces are L*H and the other two faces are L*W ... so S.A.=2(W*H)+2(L*H)+2(L*W) or 2((W*H)+(L*H)+(L*W))

1.) S.A.=2((2.9*4.7)+(3.5*4.7)+(3.5*2.9}) ... S.A.=80.46 sq m

2.) S.A.=2((15.1*4.5)+(6.5*4.5)+(6.5*15.1)) ... S.A.=390.7 sq m
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