Question : A rectangular strip of size 25 cm x 7 cm is rotated about the longer side. Find the volume and the whole surface of the solid thus generated.
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Answered by
5
Answer:
Step-by-step explanation:
given-Height is 25 cm and radius is 7 cm
volume=πr²h
Volume= 22/7*25*7*7
=3850m3
Total surface area =2*22/7*r(h+r)
=2*22/7*7(25+7)
=44*32
=1408m2
Answered by
7
Step-by-step explanation:
1408m^2 is correct answer
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