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Surface Area of a Cylinder By Mr. Martin. Overview Behold!Behold! A can with a: –Top (radius 3.75 cm) –Bottom (same as top), and –Label (11 cm high) Note:

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Presentation on theme: "Surface Area of a Cylinder By Mr. Martin. Overview Behold!Behold! A can with a: –Top (radius 3.75 cm) –Bottom (same as top), and –Label (11 cm high) Note:"— Presentation transcript:

1 Surface Area of a Cylinder By Mr. Martin

2 Overview Behold!Behold! A can with a: –Top (radius 3.75 cm) –Bottom (same as top), and –Label (11 cm high) Note: these are not the actual Measurements of the can.

3 The Top Radius (r) Formula for Area Circle? Area = Pi x r 2 Area= Pi x Area=3.14 ( ) Area= sq cm

4 The Bottom Same as top Area = Pi x r 2 Area= Pi x Area=3.14 ( ) Area= sq cm

5 What shape? –rectangle Formula for area? –Height x width Height? –11cm The Label Width? – –Pi x Diameter Area = 11(3.14)(7.5)= sq cm Width Height

6 Add Top, Bottom and Label = square cm Top Bottom

7 Now you try: Radius = 5 cm Height = 12 cm Note: These are not the actual dimensions of the can.


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