Question

9. Find the greatest length of a tape whose whole length can be used to measure exa
lengths 56 cm, 154 cm, and 294 cm.
Answer in detail​

Answer 1

Answer:

28cm

Step-by-step explanation:

Find the prime factors of 56 and 140:

56 = 2³ x 7

140 = 2² x 5 x 7

Find the HCF :

HCF = 2² x 7 = 28 cm

Answer: The greatest length of the tape is 28cm

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