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Given: d1 = 45 cm

d2 = 30 cm

To find: cost of polishing the floor.

Formula Used:

Area of rhombus = 1/2 × d1 × d2

Explanation:

For the given values,

Area of rhombus = 1/2 × 45 × 30

= 675 cm2

Area of one tile = 675 cm2

Area of 3000 tiles = 675× 3000 = 2025000 cm2

Area of tiles in m2 =

Cost of polishing 1 m2 = Rs 4

Cost of polishing 202.5 m2 = 202.5 × 4

= Rs 810.0

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