Question

What is the greatest possible length which can be used to measure exactly the length 12 m ,45 m and 75 m ?

Answer 1

Answer:

3m

Step-by-step explanation:

The greatest possible length required to measure the given lengths = $HCF(12, 45, 75)$

12 = 2² x 3

45 = 3² x 5

75 = 3 x 5²

∴ $HCF(12, 45, 75)$ = 3

∴ The greatest possible length required to measure exactly the lengths 12m, 45m, and 75m is 3m.

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