Question

the floor of a rectangular hall has a perimeter of 280m its height is 6 metre find the cost of whitewashing the four walls including door Windows extra the rate of rupees 10 per metre square

please help me​

Answer 1

Answer:

16800rs.

Step-by-step explanation:

Height of rectangular =6m Perimeter =280m We know that Perimeter of rectangle=2(l+b) 280=2(l+b) Area of four walls =2(l+b)h We know the value of 2(l+b) Area of four wall=280*6 Area of four wall =1680m^2 Cost of painting =rate *area Cost of painting four walls =10*1680 Cost=16800rs.

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Answer 2

Answer:

Answer is

Rupees 16,800

Step-by-step explanation:

Area of four walls=Perimeter of base×height

=280×6=1680m²

Cost of white washing =1680×10=Rupees16,800.

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