Question

(h) Three measuring rods are 42 cm, 66 cm and 84
cm long. Find the shortest length that can be
measured exactly by each one of these three rods.step by step statement​

Answer 1

Step-by-step explanation:

2|42

3|21

7|7

|1 =>42=2×3×7

2|66

3|33

11|11

|1 =>66=2×3×11

2|84

2|42

3|21

7|7

|1 =>84=2×2×3×7

The shortest length that can be measured exactly by each one of these three rods =>2×3 =>6 cm. Hope it helps you.