The curved
is 4400cm²
Surface area of a cyclinder
the circumference of
220 cm. find height of the
and
of its
base
is
Cyllinder.
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Answer:
Step-by-step explanation:
Circumference of its base =110cm
2πr = 110
2 × 22 / 7 × r = 110
44 / 7 × r = 110
r = 17.5 cm
Curved Surface Area = 4400 cm ²
2πrh = 4400
2 × 22 / 7 × h × 17.5 = 4400
44 / 7 × 17.5 × h = 440
h= 40 / 4400 ×2.5
h = 40 cm
Volume = πr ² h
= 22 / 7 × 17.5 × 17.5 × 40
= 38500 cm ²
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