Question

The floor of avoiding consists of 3000 tiles which are rhombus shaped and each of its diagnols are 45 cm and 30 cm in length. find the total cost of polishing the floor, if the cost per meter square is Rs 4

Answer 1

7700000 rupees is the answer to the question

Answer 2

45 cm =0.45m
30cm=0.30m

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AREA OF A RHOMBUS=1|2×(D1+D2)

=1/2×(0.45+0.30)M^2
=1/2×0.75 M^2
=0.35M^2. (FOR 1)

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FOR 3000 TILES, AREA WILL BE MULTIPLIED BY 3000.

SO, THE TOTAL AREA OF THE FLORR WILL BE


0.35×3000M^2
=1050M^2


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TOTAL COST= RS. 4 FOR 1 M^2

FOR 1050 M^2

COST= 1050×4 M^2
=5200 M^2


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