Find the length of the largest which piece of
wood used to measure exactly the lengths 4m50cm and 6m 30cm woods. -
use repeated subtraction method
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90 cm is the length of largest piece which can measure exactly both length of 4m50cm and 6m 30cm woods
Step-by-step explanation:
lengths
4m50cm = 450 cm
6m 30cm = 630 cm
We need to find HCF of both lengths to find length of largest piece which can measure exactly both length
630 - 450 = 180
450 - 180 = 270
270 - 180 = 90
180 - 90 = 90
90 - 90 = 0
90 is HCF
hence 90 cm is the length
or
450 = 2 * 3 * 3 * 5 * 5
630 = 2 * 3 * 3 * 5 * 7
HCF = 2 * 3 * 3 * 5
= 90
length of largest piece which can measure exactly both length = 90 cm
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