Question

The floor of a building consists of 3000 tiles wch are Rhombus shaped.The diagonals of each of the tiles are 45cm and 30 cm.find the total cost of polisng the floor if cost per m^2is ₹2.50

Answer 1

area of each tile = 1/2 ×45×30
=675 cm^2
area of 3000 tiles = 675×3000
2025000cm^2 =202.5m^2
cost of polishing = 202.5×2.50
= 506.25 rupees