Rina drew a line segment of length 15 cm 4 mm.Then she erased a portion of it .The remaining line segment measured 7 cm 6 mm .What is length in mm of the erased line segment?
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Length of line segment drawn by rina = 15cm 4mm.
The remaining line segment after erasing 7cm 6mm
= 15cm 4mm
subtract -7cm 6mm
that is = 7cm 8mm
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