Surface area of a cylinder. How to find the total surface area of a cylinder 10m 25m SA = 2  r² + 2  rh or 2  r(r + h) = 2 = 700 Use 3.14 for  = 700.

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Presentation transcript:

Surface area of a cylinder

How to find the total surface area of a cylinder 10m 25m SA = 2  r² + 2  rh or 2  r(r + h) = 2 = 700 Use 3.14 for  = = 2198 m²   ( )   35 = 2   35 

How to find the lateral surface area of a cylinder 12m 28m SA = 2  rh = 2 = 672 Use 3.14 for  = = m²   28 = 2   28  Finding the lateral surface area of a cylinder is like finding the AREA of a LABEL on a can

How to draw a cylinder

How to find the total surface area of a cylinder m m SA = 2  r² + 2  rh or 2  r(r + h) = = = Use for  = = m² ( + ) =

How to find the lateral surface area of a cylinder m m SA = 2  rh = = Use for  = = m² = Lateral surface area is like finding the _________ of the _____________on a can