The length,breadth and height of a room are 5cm,4cm and 3m respectively.Find the cost of white washing the walls of the room and the ceiling at the rate of Rs 7.50 per metre square.
PLEASE SOLVE IT.
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area of 4 walls =
2(l×b)h
=>
2× (5+4)×3
2×9×3
54
rate is 7.50 rs
so
7.50 × 54
=rs 405
plz mark as the brainliest
2(l×b)h
=>
2× (5+4)×3
2×9×3
54
rate is 7.50 rs
so
7.50 × 54
=rs 405
plz mark as the brainliest
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