Find the volume, curved surface area and the total surface area of a cylin
having base radius 10.5 cm and height 18 cm.
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Answer:
Given, radius=10.5cm and height=18cm
Volume of the cylinder = πr^2h cubic unit
= 22/7*10.5*10.5*18. cubic cm
= 22/7*3969/200 cubic cm
= 6237/100 cubic cm
= 62.37 cubic cm
Curved surface area of cylinder = 2πrh sq. units
= 2*22/7*10.5*18 sq. cm
=11880/100 sq. cm
=118.8 sq. cm
Total surface area of cylinder = 2πr(h+r) squad. unit
= 2*22/7*10.5(18+10.5) squad. cm
= 18810/100sq. cm
=188.1 sq. cm
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