Math, asked by kritittabaruah, 1 year ago

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.

Answers

Answered by kushagra16416
1
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


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