Question

the base diameter of a cylinder is 12 cm and height is 24 cm find its total surface area​

Answer 1

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Answer 2

Step-by-step explanation:

Given :

Base diameter of a cylinder = 12 cm

hence, radius = 12/2 cm

= 6 cm

Height = 24 cm

Total surface of area of a cylinder = 2πr(r + h)

= 2 × 22/7 × 6cm × (6cm + 24cm)

= 264/7 cm × (30cm)

= 7920/7 cm²

= 1131.428 cm² [Answer]