Question

find the greatest length of tape whose length can be used to measure exactly the lengths 56cm 254cm anf294cm​

Answer 1

Answer:

28cm answer

Step-by-step explanatiplzzz..

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we know that ...

for greatest no you

have to find hcf

here no. are

56 and 140

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then...

prime factorisation of these no..

56=2×2×2×7

140=2×2×5×7

both common is 2×2×7

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so.....hcf

= 2×2×7

=28

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28 cm length can measured hole length _________________

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28cm is answer of the question