Question

the walls and ceiling of a room 7m long 5m wide and 3.5m high are covered with paper 6dm wide find the length of paper required if no length less than a metre can be bought​

Answer 1

Answer:

Thank you for free point.

Answer 2

Answer:

l = 7 m

b = 5 m

and

h = 3.5 m

ATQ:

Area of four walls = 2(l + b)h = 84 m2

Let the length of the paper be L.

L × 6/10 = 84

L = 140 m

Length of the paper required is 140 m.