room is 9m long, 8m broad and 6.5m high. It has 1 door of dimensions 2m x 1.5m and 4 windows each of dimensions 1.5m x 1m. Find the cost of whitewashing the walls at Rs 25.
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Answered by
1
Answer:
the answer is 5300 rs
Step-by-step explanation:
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Answered by
2
Answer:
= 5412.5 rupees
Step-by-step explanation:
Curved surface area of Room = 2 (l + b )*h
= 2 ( 9+8)*6.5
= 2*17*6.5 m square
=221 m square
Area of door. = l * b
= 2*1.5 m square
= 3 m square
Area of window = l * b
= 1.5*1 m square
= 1.5 m square
Area for painting = Area of room - area of door + area of window
= 221-3+1.5
= 221-4.5 m square
= 216.5 m square
cost for painting = 25*216.5
=5412.5 rupees
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