Question

8. A door of length 2 m and breadth Imisfined in a wall. The lengte 2 wall is 4.5 m and the breadth is 3.6 m (Fig11.6) Find the cost of winte washing the wall, if the rate of white washing the lis 20 am​

Answer 1

Answer: Rs 284

The length of the wall is 4.5 m and the breadth is 3.6 m (see the given figure).

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Answer 2

area of wall=(4.5x3.6-16.2)m^2 area of doorspace = 2x1=2m^2

cost of whitewashing=14.2x20

Area to white wash = 16.2-2=14.2m^2

= Rs.284