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The length of the wall is . Are the wall lengths cm and mm ?

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answer is A.

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Detailed Solution

Concept- To convert a wall length of

to cm and mm, use the metric conversions m to mm, m to cm, and mm to cm, respectively. These are standard units of conversion, fixed, and defined using the unit's SI system.
As

Therefore,

And

Therefore

,
Hence

and

Therefore in

.
So, length of the wall in cm is

Length of the wall in cm is

.
Hence, option 1 is correct.

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