Question

9. The base of a rectangular tank is 21.5 m long and 10 m broad.
Find the cost of painting the base of the tank if the cost of
painting is * 2.50 per sq m.​

Answer 1

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Area of rectangle= l×b

l=21.5m

b=10m

Area= 21.5×10

        = 215m²

1m²= ₹2.50

215m²= ₹(215×2.50)

        = ₹537.5

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Answer 2

Answer:

breadth of rectangle is 21.5m

length of rectangle is 10m

area of rectangle is l×b

=10×21.5

=215sq .m

cost of painting per sq.m is 2.50

cost of total painting is 215×2.50=537.5rupees