Question

Please answer with explanation quickly ​

Answer 1

Step-by-step explanation:

Given, length =15 m 17 cm=1517 cm

and width =9 m 2 cm=902 cm

Area of ceiling =(1517×902)

or, Aceiling=1368335 cm2.

The dimension of square tile required to pave the ceiling =HCF of {1517,902}=41

Area of tile =1681 cm2

Number of square tile required =Aone tileAceiling=(16811368334)= 814

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Answer 2

Correct option is C

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