1) The radius of the
Circular base of a cylinder
is 7cm and height 4.5cm.
Calculate the
(a) Capacity of the cylinder,
(b) surface area of the cylinder,
(c) surface area of the cylinder
closed at one end.
(d)curved surface area
Take pie = 22/7
Answers
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Step-by-step explanation:
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Answered by
1
Step-by-step explanation:
a. capacity is volume
volume = πr^2h
22/7×7×7×4.5
693cm^3
b. curved surface area
2πrh
2×22/7×7×4.5
198cm^2
c. total surface area
πrh(r+h)
22/7×7×4.5(7+4.5)
99(11.5)
1238.5cm^2
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