1.

A cylindrical road roller made of metal is one meter long. Its inner radius is 27 cm and the thickness of the metal sheet rolled into it is 9 cm. What is the weight of the roller, if 1 cm3 of the metal weight 8 g?

A. 453.6π kg
B. 442.4π kg
C. 449π kg
D. 441π kg
Answer» B. 442.4π kg


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