Find the area of sheet reqired to make cylindrical container which is open at one side and whose diqmeteris 28 cm and height is 20 cm.Find the appropriate area of sheet required
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here is your answer
given=
diameter of cylinder = 28cm
so radius = 28/2 = 14 cm
height of cylinder= 20cm
Required area of sheet = T.S.A of cylinder- πr^2
so
T.S.A of cylinder = 2πr(r+h)
= 2*22/7*14(14+20)
2992cm^2
πr^2 = 22/7*14*14
= 616cm^2
now area of sheet = 2992 - 616
= 2376cm^2
given=
diameter of cylinder = 28cm
so radius = 28/2 = 14 cm
height of cylinder= 20cm
Required area of sheet = T.S.A of cylinder- πr^2
so
T.S.A of cylinder = 2πr(r+h)
= 2*22/7*14(14+20)
2992cm^2
πr^2 = 22/7*14*14
= 616cm^2
now area of sheet = 2992 - 616
= 2376cm^2
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