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Surface Area of a Cylinder h A cylinder is a prism with a circular cross-section. 2r2r.

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Presentation on theme: "Surface Area of a Cylinder h A cylinder is a prism with a circular cross-section. 2r2r."— Presentation transcript:

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2 Surface Area of a Cylinder h A cylinder is a prism with a circular cross-section. 2r2r

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

4 6 cm Calculate the surface area of the following cylinders. 15 cm 2.1mm 9.2 mm 3 cm 2 cm SA = 2 x  x x  x 3 x 6 = cm 2 SA = 2 x  x x  x 2 x 15 = m 2 SA = 2 x  x x  x 4.6 x 2.1 = mm 2 Surface area = 2  r 2 +2  rh


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