SOLUTION: A rectangular box which is 6 in. by 4 in. by 7 in. is to be wrapped in brown paper. How much paper is required?

Question 260112: A rectangular box which is 6 in. by 4 in. by 7 in. is to be wrapped in brown paper. How much paper is required?
Answer by rfadrogane(214) (Show Source): You can put this solution on YOUR website!
A rectangular box which is 6 in. by 4 in. by 7 in. is to be wrapped in brown paper. How much paper is required?
Sol'n:
Let S = surface area required is equal to the material neeeded to wrapped
Surface Area = 2(ab+bc+ca)
= 2[(6x4)+(4x7)+(7x6)]
= 2 [24+28+42]
= 188 sq. in. ----answer
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