A door of length 1 m and breadth 3 m is fitted in a wall. The length of the wall is 6 m and the breadth is 7.5 m. Find the cost of white washing the wall, if the rate of white washing the wall is ₹ 100 per sq m. *
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Step-by-step explanation:
a door length = 1 m
breath= 3 m
perimeter of rectangle =
= 2 ( l + b )
= 2 ( 1 + 3 )
= 2 ( 4 )
= 8 m
length of wall = 6m
breath = 7.5m
area of rectangle
= length x breath
= 6m x 7.5m
= 45m²
cost of white washing the wall per m² = 100
cost of white washing the walk 45 m²
= 45 m² x 100
= 4500 m²
hope it helps
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