A cube of metal each of whose edge is 2.2 cm is melted to form a cylindrical wire of radius 1mm. Find the length of the wire so obtained.
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Answer:
338.8 cm
Step-by-step explanation:
volume of cube = 2.2 cube
volume of wire = volume of cube
pi × r^2 × h = 2.2 × 2.2 × 2.2
= 22/7 × 1/10 × 1/10 × h = 2.2×2.2×2.2
= 22/7 × h = 22 × 22× 2.2
= h = 22 × 2.2 × 7
= h = 338.8 cm
Answered by
1
SOLUTION
Side of a solid cube =7.2 cm
∴ Volume =(Side)3=(2.2)3
=10648cm3
Step-by-step explanation:
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