A wall has a door of length 1.32 m and breadth 0.75 m. The length of the wall is
6.5 m and breadth is 4.2 m. Find the cost of white washing the wall, if the rate of
white washing the wall is * 20 per sq m.
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Answer:
Lenght of wall = 6.5 m
Breadth of wall = 4.2
Lenght of door = 1.32
Breadth of door = 0.75
Area of wall = l*b = 6.5 * 4.2 =27.3
Area of door = l*b = 1.32 *0.75 = 0.99
Remaining = 27.3 - 0.99 = 26.31
Cost = 20 *26.31
= ₹ 526.2
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Step-by-step explanation:
questions no 11 chapter perimeter and area answer in photo
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