Question

the radii of circular ends of a bucket of height 24 cm are 15 cm and 5 cm find its curved surface area

Answer 1

Answer:

1748.98 cm²

Step-by-step explanation:

CSA of frustum = π  (r 1 + r 2 ) l

l = √h²+(r1²-r2² )

= √24²+(15²-5²)

= 576 + 200

= 27.85 cm

CSA = 22/7 X 27.85 X 20

= 1748.98 cm²

There fore the curved surface area of bucket is 1748.98 cm²

Answer 2

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