Find the inner surface area of four walls of a rectangular room with l – McqOptions

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1.	Find the inner surface area of four walls of a rectangular room with length 7 m breadth 5m and height 3.5 m.
A.	168 m2
B.	84 m2
C.	126 m2
D.	42 m2
Answer» C. 126 m2

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