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Surface Area of a Cylinder

A cylinder is a prism with a circular cross-section. 2 r. h. Surface Area of a Cylinder. r 2. Open out. 2 r. Removing top and bottom. h. . r 2. Surface Area of a Cylinder. A cylinder is a prism with a circular cross-section. Surface Area = 2 r 2 + 2rh.

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Surface Area of a Cylinder

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  1. A cylinder is a prism with a circular cross-section. 2r h Surface Area of a Cylinder

  2. r2 Open out 2r Removing top and bottom h  r2 Surface Area of a Cylinder A cylinder is a prism with a circular cross-section. Surface Area = 2r2 + 2rh

  3. Calculate the surface area of the following cylinders. Surface area = 2r2+2rh 1 2 3 cm 2 cm 15 cm 6 cm SA = 2 x  x 22 + 2 x  x 2 x 15 = 213.6 m2 3 2.1mm SA = 2 x  x 32+ 2 x  x 3 x 6 = 169.6 cm2 9.2 mm SA = 2 x  x 4.62+ 2 x  x 4.6 x 2.1 = 193.6 mm2

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