chandanadhikari044 chandanadhikari044

28-02-2021
Mathematics

contestada

The cost of carpeting a square hall at Rs. 60 per m2 is
Rs. 2,94,000. If the cost of plastering its four walls at
Rs. 15 per m2 is Rs. 16,800, find the height of the hall.

Respuesta :

yusufalisaeed yusufalisaeed

28-02-2021

Answer:

4 m[tex]\\[/tex]

Step-by-step explanation:

294000 / 60 = 4900 m2 is the area of the sqaure
sqrt{4900} = 70 m is the sqaue length (=width)
16800 / 15 / 4 = 280 m2 is the area of ONE wall
280 / 70 = 4 m is the wall hight

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