Find curved surface area of each of
following
cylinders
(1) r= x cm., h = y cm.
( i) d= 7 cm., h=10 cm.
(ii) r= 3 cm., h= 14 cm.
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Answer:
1 .
r = x cm and h= y cm
CSA OF CYLINDER = 2πrh
Step-by-step explanation:
csa = 2 * 22/7*x*y
= 2πxycm^2
2.
d= 7 cm .. r= d/2.. 7/2cm
h= 10 cm
csa of cylinder = 2πrh
= 2*22/7*7/2*10
= 220 cm^2
3. r =3 cm
h= 14 cm
csa of cylinder = 2πrh
= 2 *22/7*3*14
= 264cm^2
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