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# Q.4 A verandah of width 2.25 m is constructed all along outside a room which is 5.5 m long and 4 m wide. Find: (i) the area of the verandah. (ii) the cost of cementing the floor of the verandah at the rate of Rs. 200 per $$m^2.$$

Answer :

Length of the room = 5.5 m
Breadth of the room = 4 m
$$\therefore$$ Area of the room = l × b = 5.5 m × 4 m = 22 $$m^2$$
Width of the verandah = 2.25 m
Length of the room including verandah
= 5.5 m + 2 × 2.25 m = 10 m
Breadth of the room including verandah
= 4 m + 2 × 2.25 m = 8.50 m
Area of the room including verandah = l × b
= 10 m × 8.50 m =$$85 m^2$$