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Answer:
12.8cm
Explanation:
radius = 0.5 X diameter
2mm = 0.2cm
volume of circular metal sheet = π r² h = π (24)² (0.2) = 115.2π cm³.
volume, V, of cylindrical bar = π r² L
L = V/(π r²)
= 115.2π / (π (3)²)
= 115.2/ 9
= 12.8cm
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