Find the curved surface area of a cylinder given its base circumference is 36 cm and its height is 4 cm.
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6
Answer:
C.S.A. of cylinder =4400 sq. cm.
⇒2πrh=4400
⇒(110)h=4400
⇒h=
110
4400
=40 cm
Height =40 cm
Circumference of base of cylinder 110 cm
⇒2πr=110
⇒2×
7
22
×r=110
⇒r=
2
35
⇒r=17.5 cm
Diameter 2r=2(
2
35
)=35 cm
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