A bucket op

Volume of the bucket = 12308.8 cm³

Radius of top r₁ = 20 cm

Radius of bottom r₂ = 12 cm

Volume of Bucket

h = 5 × 3

h = 15 cm

Surface area of the metal sheet used = πr₂² + π(r₁+r₂)l

  
 

 = √289

 =17 cm

Surface area of the metal sheet = π(12)² + π(20+12)17

= 3.14×144 + 3.14×32×17
= 3.14(144 + 32×17)
= 3.14 (144 + 544)
= 3.14 (688)

= 2160.32 cm²