③ The diameter of a cyklindar is 14cm and CSA
is 220cm². find the volume of cyclinder
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Answer:
D = 14cm
R = 7cm
CSA = 2πrh
220cm² = 2 x 22/7 x 7 x H
220 = 2 x 22 x H
220 = 44H
44H = 220
H = 5cm
Volume = πr²h
=> 22/7 x 7 x 7 x 5
=> 22 x 7 x 5
=> 110 x 7
=> 770cm³
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