A rectangular sheet of dimensions
25 cm x 7 cm is rotated about its longerside.
Find the volume and the whole
surface area of the solid thus generated.
Share
A rectangular sheet of dimensions
25 cm x 7 cm is rotated about its longerside.
Find the volume and the whole
surface area of the solid thus generated.
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
⇒Radius will be 7cm
Height will be 25cm
⇒VOLUME = πr^2h
= 22/7×7×7×25
= 22×7×25
= 3850cm^3
TSA = 2πr(h+r)
= 2×22/7×7(25+7)
= 44(32)
= 1408cm^2
CSA = 2πrh
= 2×22/7×7×25
= 44×25
= 1100cm^2
Answer:
hey mate here is your answer