Answers

  • Brainly User
2014-10-07T19:46:53+05:30
1cm =10mm
therefore ratio of 1cm to 2mm isĀ 
10:2=5:1
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2014-10-07T19:48:27+05:30
1cm=10mm
so,ratio of 1cm and 2mm=ratio of 10mm and 2mm
therefore, 1cm:2mm=10mm:2mm
therefore, ratio=5:1
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