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Think - How will you know the number of centimetres if you measure with a rope, shoe-string, thread etc.? - Mathematics

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Question

Think - How will you know the number of centimetres if you measure with a rope, shoe-string, thread etc.? 

  My measurement My friend's measurement
Nose ______ centimetres ______ centimetres
Around the wrist ______ centimetres ______ centimetres
Around the head ______ centimetres ______ centimetres
Ear ______ centimetres ______ centimetres
Hand (tip of middle  finger to wrist) ______ centimetres ______ centimetres
Chart
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Solution

This can be done by first measuring with a rope, shoe string, thread, etc. and then comparing with the scale.

  My measurement My friend's measurement
Nose 3 centimetres 3 centimetres
Around the wrist 12 centimetres 11 centimetres
Around the head 36 centimetres 35 centimetres
Ear 5 centimetres 5 centimetres
Hand (tip of middle  finger to wrist) 12 centimetres 11 centimetres
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Long and Short
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Chapter 4: Long and Short - How Big is My Hand? [Page 50]

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NCERT Math - Magic [English] Class 3
Chapter 4 Long and Short
How Big is My Hand? | Q 3 | Page 50

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