A hollow cylinder has height 20 cm,outer radius is 25 cm and thickness = 1 cm. The total volume is ____ cu. cm
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3
Answer:
3080
Step-by-step explanation:
π(R^2-r^2)h
= 22/7(25^2- 24^2)20
=22/7(49)20
= 22/7(7)(7)(20)
= 22(7)(20)
=3080
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1
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