Dimensions 4735

Calculate how many m2 of wallpaper is needed to wallpaper a room with dimensions a = 3m, b = 4m, c = 3.5m

Correct answer:

A =  61 m2

Step-by-step explanation:

a=3 b=4 c=3.5 A=a b+c (2 a+2 b)=3 4+3.5 (2 3+2 4)=61 m2

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