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A copper rod of diameter 2 …

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A copper rod of diameter 2 cm and length 10 cm is drawn into a wire of uniform thickness and length 10m.find the thickness of the wire.

Posted by Khushi Rani 6 years, 2 months ago

CBSE > Class 10 > Mathematics

1 answers

Pankaj Verma 6 years, 2 months ago

π×4×10. =. π×1000×r×r (in cm) With calculation It remains √4/100 [ in root) Then, R= 2/10, 0.2 in cm

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CBSE > Class 10 > Mathematics