Question

11. A flooring tile has a shape of a parallelogram whose base is 28cm and the
corresponding height is 20cm. How many such tiles are required to cover a floor
of an area 2800m.​

Answer 1

Answer:

Given : base= 28 cm

Height= 20 cm

Area of floor= 2800 m²= 2800×100×100cm²

[1m²= 10000cm²]

 Area of the Parallelogram = base x height

= 28 x 10 = 280 cm²

Area of  1 tile = 280 cm²

[Tiles are in the shape of a parallelogram]

Number of tiles required= Area of the Floor/Area of the Tiles

= 2800 x 100 x 100/280  = 2800000/28

=100000 tiles

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Step-by-step explanation: