17. Find the least number of square tiles reqired to pave the ceiling of a
room 15 m 17 cm long and 9 m 2 cm broad. by HCF method
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Answer:
41 cm
Step-by-step explanation:
1517 cm = 902cm the HCF of the 1517 and 902 will be size of square tiles .HCF 1517 and 992=41 cm
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