Math, asked by khemrajsahu6841, 1 year ago

The length breadth and height of a room are 5m 4m and 3m.find the cost of white washing the walls of the room and the ceiling at the rate of rs 5/m2

Answers

Answered by kessrinivas25
1

Answer: Rs. 370


Step-by-Step Explanation:

Given: Length = 5m

Breadth=4m

Height = 3M

CSA = 2(bh+hl) = 2[(4*3)+(3*5)]=2(12+15)=2(27) = 54 Square meters

Area of Ceiling = lb =5*4=20 Square Meters.

Total Area for white washing = 54+20 = 74 Square Meters.

Cost per square meter = Rs 5

Cost For white washing = 74*5=Rs. 370.

Total Cost for white washing is Rs. 370.



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