A cylinder has a diameter 20 cm and height 18 cm. Calculate the total surface area of the cylinder.

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Solution

Diameter of the cylinder (d) = 2 × Radius = 20 cm

⇒ Radius of the cylinder (r) = 10 cm

Height (h) of the cylinder = 18 cm

Total surface area of cylinder

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A cylinder has a diameter 20 cm and height 18 cm. Calculate the total surface area of the cylinder.

Diameter of the cylinder (d) = 2 × Radius = 20 cm ⇒ Radius of the cylinder (r) = 10 cm Height (h) of the cylinder = 18 cm Total surface area of cylinder

Diameter of the cylinder (d) = 2 × Radius = 20 cm

⇒ Radius of the cylinder (r) = 10 cm

Height (h) of the cylinder = 18 cm

Total surface area of cylinder