The Radii of the top and bottom of a bucket are respectively 21 cm and 14 cm .If the height of the bucket is 21cm find the capacity and curved surface area of the bucket
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Answer:
Given:
Slant Height, l=45 cm
Top radius =28 cm
Bottom radius =7 cm
Height =45 cm
Curved surface area =πl(r
1
+r
2
)
=
7
22
×45(7+28)
=4950cm
2
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