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A floral design on a floor is made up...

A floral design on a floor is made up of 16 tiles which are triangular , the sides of the triangle being 9 cm , 28 cm and 35 cm (See figure). Find the cost of polishing the tiles at the rate of 50 p per `cm^(2)` .

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The correct Answer is:
`=` Rs. 705 .60 approx
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