Question

find the greatest length of a wooden scale which can be used to measure 540 cm and 360 cm exactly

Answer 1

The greatest length of wooden scale is 180 cm

Answer 2

The answer is 180cm

now we have to find the greatest length of wooden scale which can measure 540cm and 360 cm, in other words it asks us the greatest divisor which exactly divides both, so we have to find The HCF of 540 and 180 cm which is equal to 180