Question:-
A rectangular strip 25 cm × 7 cm is rotated about the longer side. Find the total surface area of the solid thus generated.
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Answers
Answered by
47
Answer:
Height is 25 cm and radius is 7 cm
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
Hope it helps!!!
Answered by
2
Step-by-step explanation:
Answer:
Height is 25 cm and radius is 7 cm
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
hope it helps
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