Question

b) The length, breadth and height of a room are 6m, 5.4m and 4 m respectively. Find the area of

i) Its four walls ii) Its roof.

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Answer 1

Answer:

I did not understand your question

Answer 2

i} A of 4 walls = 2(l+b)*h-------->2(6m+5.4m)*4m--------->22.8m*4m

  A of 4 walls= 91.2 m^2

ii} A of the roof = A of the floor = l*b--------------> 6m * 5.4m

    A of the roof = 32.4 m^2