Q. 314.2( 5 Votes )

A bucket open at

Answer :

It is given in the question that,

The radius of the top of the bucket, R = 20 cm

Also, the Radius of the bottom of the bucket, r = 12 cm

And, Volume of bucket = 12308.8 cm3

h = 15 cm

= 17 cm

Total area of metal sheet used = Curved Surface Area of bucket + Area of base

= 3.14 × 688

= 2160.32 cm2

Hence, the total area of the used metal sheet is 2160.32 cm2

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